RefCOCO Results Comparison

Summary Results

Without CD

Accuracy: 33.52%

Average IoU: 0.3019

Correct Predictions: 59/176

With CD

Accuracy: 35.80%

Average IoU: 0.3258

Correct Predictions: 63/176

Comparison

Accuracy Difference: +2.27%

IoU Difference: +0.0239

Total Examples: 201

Image

Dataset: refcocos_test

Caption: the computer screen that is in the middle layer

Image: val2017/000000547144.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.25s

Thinking: The sentence "the computer screen that is in the middle layer" refers to a specific computer screen in the image. To determine its bounding box coordinates, I need to identify which screen is positioned in the middle layer of the image. In this image, the middle layer appears to be the one with the monitor that is directly in front of the two larger computer towers. The laptop is on the left, and the two larger computer towers are flanking this monitor.
Answer: {"bbox_2d": [162, 155, 306, 292]}

Predicted bbox: [162, 155, 306, 292]

Ground truth: [297.0, 345.0, 427.0, 440.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.37s

Thinking: The sentence "the computer screen that is in the middle layer" refers to a computer screen that is positioned in the middle of the setup, likely not the topmost or the bottommost screen. Given the arrangement of the computer screens in the image, the middle layer appears to be the screen that is not the highest or the lowest but is in the middle of the group. This would typically be the one in the center of the top row of the setup.
Answer: {"bbox_2d": [160, 156, 306, 285]}

Predicted bbox: [160, 156, 306, 285]

Ground truth: [297.0, 345.0, 427.0, 440.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the person on the right hand side of the boy not wearing hat

Image: val2017/000000001000.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.50s

Thinking: The question asks for the bounding box of the person on the right hand side of the boy not wearing a hat. However, the boy not wearing a hat is the one on the far right, which means the person on the right hand side of him would be the person next to him on the right. This person is wearing a white shirt with black stripes and a white cap.
Answer: {"bbox_2d": [513, 188, 644, 476]}

Predicted bbox: [513, 188, 644, 476]

Ground truth: [386.0, 156.0, 461.0, 478.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.92s

Thinking: The task is to identify the bounding box of the person on the right hand side of the boy who is not wearing a hat. This means we need to locate the boy without a hat, then identify the person to his right. 1. Identify the boy without a hat: The boy in the red and white striped shirt is not wearing a hat. 2. Identify the person to his right: The person to the right of the boy in the red and white striped shirt is wearing a white shirt with a cap.
Answer: {"bbox_2d": [525, 189, 644, 476]}

Predicted bbox: [525, 189, 644, 476]

Ground truth: [386.0, 156.0, 461.0, 478.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: background person not leaning back

Image: val2017/000000006471.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.20s

Thinking: The sentence "background person not leaning back" implies that we need to identify a person in the background who is not leaning back in a specific posture. In the image, there are multiple individuals in the background, but only one person appears to be sitting upright and not leaning back. This person is located near the left edge of the image, partially obscured by the umpire.
Answer: {"bbox_2d": [173, 76, 244, 136]}`

Predicted bbox: [173, 76, 244, 136]

Ground truth: [20.0, 98.0, 70.0, 149.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.66s

Thinking: The sentence "background person not leaning back" seems to refer to a person in the background who is not leaning back in a reclined or slumped position. To identify this, we need to look for a person in the background who is sitting upright and not leaning back. Observing the image, there is a person in the background who is sitting upright and not leaning back. This person is wearing a dark shirt and is seated near the edge of the dugout.
Answer: {"bbox_2d": [173, 74, 256, 136]}

Predicted bbox: [173, 74, 256, 136]

Ground truth: [20.0, 98.0, 70.0, 149.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: non-glass cup

Image: val2017/000000002157.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.07s

Thinking: The sentence "non-glass cup" suggests we need to identify a cup that is not made of glass. In the image, there are multiple glasses and cups, but there is a plastic cup near the left edge of the image. The cup is made of plastic, which is different from the glass cups in the rest of the scene.
Answer: {"bbox_2d": [0, 119, 55, 262]}

Predicted bbox: [0, 119, 55, 262]

Ground truth: [3.0, 121.0, 67.0, 267.0]

Result: Correct

IoU: 0.7423

With CD

Generation Time: 8.17s

Thinking: The phrase "non-glass cup" is likely referring to a cup that is not made of glass. In the image, there are cups visible, but they appear to be made of a material other than glass, possibly plastic, given their translucency and shape. These are typically used for serving drinks like water, juice, or soft drinks.
Answer: {"bbox_2d": [2, 93, 58, 272]}

Predicted bbox: [2, 93, 58, 272]

Ground truth: [3.0, 121.0, 67.0, 267.0]

Result: Correct

IoU: 0.7082

Image

Dataset: refcocos_test

Caption: person not holding anything

Image: val2017/000000009590.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.60s

Thinking: The question asks for the bounding box of a person not holding anything. In the image, there are multiple people, and some appear to be holding cups or plates. The person on the far left is holding a cup, and the person second from the left is also holding a cup. The person third from the left is not holding anything, and the person on the far right is holding a plate.
Answer: {"bbox_2d": [368, 167, 456, 258]}

Predicted bbox: [368, 167, 456, 258]

Ground truth: [255.0, 179.0, 330.0, 254.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.49s

Thinking: The task is to identify the bounding box of the person not holding anything. The image shows five people around a table, and we need to identify who is not holding anything. 1. The person on the far left is holding a cup. 2. The person second from the left is holding a cup. 3. The person in the center is holding a cup. 4. The person second from the right is not holding anything. 5. The person on the far right is holding a cup.
Answer: {"bbox_2d": [368, 168, 458, 260]}

Predicted bbox: [368, 168, 458, 260]

Ground truth: [255.0, 179.0, 330.0, 254.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the woman looking at an apple laptop

Image: val2017/000000009400.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.93s

Thinking: The question asks for the bounding box of the woman looking at an Apple laptop. There are multiple people and laptops in the image, but the woman in the foreground on the right side of the image appears to be looking at an Apple laptop, as it is partially visible and her focus is directed towards it. 1. Identify the people in the image: There are multiple individuals, and the focus should be on the one interacting with the laptop. 2. Identify the laptops: There are several laptops in the image, and one is visible in the foreground that appears to be an Apple laptop. 3. Identify the woman: The woman in the foreground on the right side of the image seems to be looking at the Apple laptop.
Answer: {"bbox_2d": [457, 89, 644, 394]}

Predicted bbox: [457, 89, 644, 394]

Ground truth: [1.0, 93.0, 114.0, 213.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 16.12s

Thinking: The sentence "the woman looking at an apple laptop" likely refers to the woman who is seated and appears to be focused on an Apple laptop, as indicated by the recognizable logo on the screen. The woman is positioned slightly to the right of the center of the image, and her gaze is directed towards the laptop screen. 1. Identify the woman: The woman in the foreground, slightly to the right of the center, is looking towards the laptop. 2. Identify the laptop: The laptop in question is the one closest to the woman, with the Apple logo visible. 3. Confirm the focus: The woman's gaze is directed towards the laptop, confirming that she is looking at it. Final answer in JSON format: ```json { "bbox_2d": [445, 89, 644, 403] } ```
Answer: {"bbox_2d": [445, 89, 644, 403]}

Predicted bbox: [445, 89, 644, 403]

Ground truth: [1.0, 93.0, 114.0, 213.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the person helding nothing

Image: val2017/000000010707.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.24s

Thinking: The question asks for the bounding box of the person holding nothing. In the image, there are three people, and the person standing appears to be holding a Wii remote. The other two individuals are seated and one of them is holding a large container, which could be considered as holding something. Therefore, the person holding nothing is the one standing.
Answer: {"bbox_2d": [420, 0, 603, 476]}

Predicted bbox: [420, 0, 603, 476]

Ground truth: [347.0, 190.0, 478.0, 477.0]

Result: Incorrect

IoU: 0.1534

With CD

Generation Time: 8.77s

Thinking: The instruction asks for the bounding box of the person holding nothing. In the image, there are three people: one standing and holding a Wii remote, one sitting and holding a green bottle, and one sitting with his hands resting on his lap. The person holding nothing is the one sitting with hands resting on his lap, as he is not holding any object.
Answer: {"bbox_2d": [323, 188, 480, 476]}

Predicted bbox: [323, 188, 480, 476]

Ground truth: [347.0, 190.0, 478.0, 477.0]

Result: Correct

IoU: 0.8262

Image

Dataset: refcocos_test

Caption: suitcase next to car wheel

Image: val2017/000000009891.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.99s

Thinking: The task is to identify the bounding box of the suitcase next to the car wheel. The image shows a parking lot with a white car, and there are several suitcases on the ground near the car. The suitcase closest to the car wheel is the one on the far right side of the car.
Answer: {"bbox_2d": [424, 240, 498, 376]}

Predicted bbox: [424, 240, 498, 376]

Ground truth: [419.0, 245.0, 495.0, 350.0]

Result: Correct

IoU: 0.7040

With CD

Generation Time: 8.11s

Thinking: The sentence "suitcase next to car wheel" likely refers to the suitcase that is positioned closest to the car's wheel. In the image, there are multiple suitcases and bags, but the one closest to the car wheel is the one on the far right, which is partially obscured by the car's wheel.
Answer: {"bbox_2d": [422, 240, 497, 377]}

Predicted bbox: [422, 240, 497, 377]

Ground truth: [419.0, 245.0, 495.0, 350.0]

Result: Correct

IoU: 0.7238

Image

Dataset: refcocos_test

Caption: the person who is on the phone

Image: val2017/000000012670.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.81s

Thinking: The question asks for the bounding box of the person who is on the phone. However, there is no clear indication in the image that any specific person is on the phone. The people in the image appear to be standing and looking in different directions, with no one holding a phone to their ear. Therefore, it's not possible to determine a bounding box for a person who is on the phone based on the given image.
Answer: {"bbox_2d": [104, 122, 201, 271]}

Predicted bbox: [104, 122, 201, 271]

Ground truth: [100.0, 122.0, 199.0, 275.0]

Result: Correct

IoU: 0.9165

With CD

Generation Time: 10.82s

Thinking: The sentence "the person who is on the phone" likely refers to an individual who appears to be engaged in a phone conversation, possibly holding a phone to their ear or gesturing in a manner consistent with talking on a phone. In the image, there is a person in the foreground, slightly to the left, who seems to be holding something near their ear, which could be a phone. This person is also looking in a direction away from the camera, suggesting they might be in the middle of a conversation.
Answer: {"bbox_2d": [105, 119, 199, 281]}

Predicted bbox: [105, 119, 199, 281]

Ground truth: [100.0, 122.0, 199.0, 275.0]

Result: Correct

IoU: 0.8993

Image

Dataset: refcocos_test

Caption: the person who is wearing a necklace

Image: val2017/000000015335.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.25s

Thinking: The sentence "the person who is wearing a necklace" implies that we need to identify an individual in the image wearing a necklace. Based on the description, the person on the left appears to be wearing a necklace, as indicated by the mention of "necklace" in the sentence. The other individuals do not appear to have visible necklaces.
Answer: {"bbox_2d": [1, 74, 236, 476]}

Predicted bbox: [1, 74, 236, 476]

Ground truth: [3.0, 72.0, 219.0, 366.0]

Result: Correct

IoU: 0.6646

With CD

Generation Time: 8.15s

Thinking: The instruction asks to identify the bounding box of the person who is wearing a necklace. In the image, there are three people, and the person on the left appears to be wearing a necklace, as indicated by a faint outline of a necklace around their neck. The other two individuals do not appear to have any visible necklaces.
Answer: {"bbox_2d": [1, 67, 221, 354]}

Predicted bbox: [1, 67, 221, 354]

Ground truth: [3.0, 72.0, 219.0, 366.0]

Result: Correct

IoU: 0.9267

Image

Dataset: refcocos_test

Caption: image containing fork and knife

Image: val2017/000000008629.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.54s

Thinking: The image in the top right corner is the one that contains a fork and knife. The other images show different slices of pizza but do not include a fork and knife. 1. Identify the image that contains a fork and knife. 2. The image in the top right corner has a fork and knife next to the pizza slice.
Answer: {"bbox_2d": [430, 223, 626, 422]}

Predicted bbox: [430, 223, 626, 422]

Ground truth: [430.0, 226.0, 621.0, 417.0]

Result: Correct

IoU: 0.9353

With CD

Generation Time: 12.06s

Thinking: The task requires identifying the bounding box of the image that contains a fork and a knife. In the provided collage, the image in the top right corner shows a pizza slice on a plate with a fork and knife partially visible on the right side. This matches the criteria for the sentence. 1. Identify the sentence that describes the image containing a fork and a knife. 2. Compare the sentence with the images in the collage. 3. Confirm that the top right image matches the description. The image in the top right corner contains a fork and a knife.
Answer: {"bbox_2d": [433, 224, 626, 420]}

Predicted bbox: [433, 224, 626, 420]

Ground truth: [430.0, 226.0, 621.0, 417.0]

Result: Correct

IoU: 0.9351

Image

Dataset: refcocos_test

Caption: person outside the middle window

Image: val2017/000000000139.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.12s

Thinking: The sentence "person outside the middle window" refers to a person visible through the middle window in the image. The middle window is the one centered in the background, between the two side windows. Observing the image, there is a person standing near the middle window, looking out. This matches the description in the sentence.
Answer: {"bbox_2d": [387, 168, 402, 206]}

Predicted bbox: [387, 168, 402, 206]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 8.56s

Thinking: The sentence "person outside the middle window" indicates we need to identify a person visible through the middle window. The middle window is located between two other windows and is the one in the center of the room. Observing the image, we can see a person standing near the middle window, but it is not clear if this person is outside or inside.
Answer: {"bbox_2d": [387, 169, 404, 205]}

Predicted bbox: [387, 169, 404, 205]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: person on bed

Image: val2017/000000000632.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.35s

Thinking: The sentence "person on bed" is ambiguous as there is no person visible on the bed in the image. The bed appears to be unoccupied, and there are no indications of a person lying or sitting on it. The sentence might be referring to a person who is not visible in the image or a person who is not present in the room.
Answer: {"bbox_2d": [0, 279, 404, 470]}

Predicted bbox: [0, 279, 404, 470]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 8.41s

Thinking: The sentence "person on bed" seems to be a misunderstanding or an error. There is no person visible on the bed in the image. The bed is unoccupied, and the room is devoid of any human presence. The image shows a room with a bed, a bookshelf, a window, and various decorative items, but no person.
Answer: {"bbox_2d": [0, 277, 402, 476]}

Predicted bbox: [0, 277, 402, 476]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: letter X

Image: val2017/000000000885.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.56s

Thinking: The instruction asks for the bounding box of a specific letter "X", but the image provided does not contain a letter "X". Instead, it shows a tennis player in action and a ball boy, with the background featuring a J.P. Morgan sign and a Polo sign. The task is to locate the bounding box for a non-existent letter in the image, which makes the instruction somewhat contradictory.
Answer: {"bbox_2d": [358, 70, 453, 120]}

Predicted bbox: [358, 70, 453, 120]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 8.99s

Thinking: The question asks for the bounding box of a specific letter "X" but there is no letter "X" visible in the image. The image contains a tennis player and a ball boy, with a visible "Polo" sign and a "J.P. Morgan" sign in the background. However, there is no letter "X" that can be associated with the given sentence.
Answer: {"bbox_2d": [447, 209, 520, 238]}

Predicted bbox: [447, 209, 520, 238]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: person holding a goose feather

Image: val2017/000000001268.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.61s

Thinking: The sentence "person holding a goose feather" describes a person who is likely holding a feather that might be from a goose. In the image, there is a person on the right side, and based on her hand position and the context of the scene, it's plausible she could be holding a feather. However, without a clear view of the object in her hand, it's difficult to confirm.
Answer: {"bbox_2d": [508, 79, 644, 415]}

Predicted bbox: [508, 79, 644, 415]

Ground truth: [20.0, 213.0, 81.0, 285.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.56s

Thinking: The sentence "person holding a goose feather" seems to be describing a person who is interacting with a goose feather, possibly in a way that suggests they are holding it. However, in the image, there is no visible goose feather or person holding one. The image shows a person on the right side holding a phone, and there's a swan near the water, but no one appears to be interacting with a goose feather.
Answer: {"bbox_2d": [507, 80, 644, 415]}

Predicted bbox: [507, 80, 644, 415]

Ground truth: [20.0, 213.0, 81.0, 285.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: sign to 101 south

Image: val2017/000000001532.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.21s

Thinking: The task is to identify the bounding box of the sign indicating "101 South." The image shows multiple signs with different directions and destinations. To locate the "101 South" sign, I need to identify the sign that says "101" and "South" in that order. 1. The signs are green with white text. 2. The sign that says "NORTH 101" is on the left, indicating "101 North." 3. The sign that says "SOUTH 101" is on the right, indicating "101 South."
Answer: {"bbox_2d": [71, 210, 291, 290]}

Predicted bbox: [71, 210, 291, 290]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 11.81s

Thinking: The sentence "sign to 101 south" is asking for a sign that indicates the direction to Southbound 101. In the image, there is a sign that reads "NORTH 101" which indicates the direction to Northbound 101. The question is asking for the opposite direction, which is not visible in the image provided. However, based on the question and the image, the closest answer would be the sign indicating Northbound 101, as it is the closest match for a sign to the opposite direction.
Answer: {"bbox_2d": [72, 214, 287, 290]}

Predicted bbox: [72, 214, 287, 290]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: child in second row from camera, third from left

Image: val2017/000000002299.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 10.81s

Thinking: The task is to identify the child in the second row from the camera, third from the left. I will follow these steps: 1. Identify the rows in the image. 2. Count the children from left to right in the second row. 3. Identify the third child from the left in that row. The rows are as follows: - First row: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 5

Predicted bbox: None

Ground truth: [77.0, 135.0, 117.0, 234.0]

Result: Unable to determine

With CD

Generation Time: 11.84s

Thinking: The sentence describes a "child in second row from camera, third from left." To find the bounding box for this child, I need to identify the row and column positions based on the image. 1. Identify the rows: The image has a clear row structure with the children in three rows. 2. Identify the columns: There are multiple columns, and we need to count from the left. 3. Identify the child: The third child from the left in the second row is the one we are looking for. The bounding box for this child should be defined by the coordinates of the third column in the second row.
Answer: {"bbox_2d": [180, 114, 230, 242]}

Predicted bbox: [180, 114, 230, 242]

Ground truth: [77.0, 135.0, 117.0, 234.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the ski pole held by the left hand of the person in the air

Image: val2017/000000002473.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.49s

Thinking: The sentence "the ski pole held by the left hand of the person in the air" refers to the ski pole that the person in the air is holding with their left hand. To find this, I need to locate the person in the air, identify the left hand, and then determine the position of the ski pole. 1. Locate the person in the air: The person is in the center of the image, performing a jump. 2. Identify the left hand: The left hand is on the left side of the person's body, holding the ski pole. 3. Determine the ski pole: The ski pole is extending downward from the left hand.
Answer: {"bbox_2d": [353, 116, 396, 190]}

Predicted bbox: [353, 116, 396, 190]

Ground truth: [220.0, 117.0, 257.0, 167.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 12.52s

Thinking: The sentence "the ski pole held by the left hand of the person in the air" refers to the ski pole that the skier is holding with their left hand while performing a jump. To identify this, we need to locate the skier in the air, identify their left hand, and then trace the path of the ski pole from that hand. 1. Identify the skier in the air. 2. Locate the left hand of the skier. 3. Trace the ski pole from the left hand. The ski pole is the object extending from the skier's left hand, pointing towards the right in the image.
Answer: {"bbox_2d": [360, 116, 396, 191]}

Predicted bbox: [360, 116, 396, 191]

Ground truth: [220.0, 117.0, 257.0, 167.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the shoes worn by the person with black hoodie

Image: val2017/000000002685.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.02s

Thinking: The question asks for the bounding box coordinates of the shoes worn by the person with the black hoodie. In the image, there is a person wearing a black hoodie, but their feet are not clearly visible or identifiable as belonging to them. The shoes might be obscured or out of frame. Therefore, it's not possible to provide the bounding box coordinates for the shoes of the person with the black hoodie based on the current view.
Answer: {"bbox_2d": [399, 315, 454, 347]}

Predicted bbox: [399, 315, 454, 347]

Ground truth: [524.0, 370.0, 634.0, 438.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.80s

Thinking: The sentence "the shoes worn by the person with black hoodie" refers to the footwear of the individual wearing a black hoodie. In the image, there are several people, but the one in the black hoodie is partially obscured and their shoes are not fully visible. However, we can see the shoes of the person with the black hoodie on the right side of the image, as they are closer to the camera.
Answer: {"bbox_2d": [397, 313, 452, 348]}

Predicted bbox: [397, 313, 452, 348]

Ground truth: [524.0, 370.0, 634.0, 438.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: baby corn

Image: val2017/000000003845.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.13s

Thinking: The sentence "baby corn" refers to a specific food item that is typically small, corn-like, and can be used in stir-fries. In the image, there appears to be a dish with a variety of ingredients, including what looks like baby corn. It is identifiable by its small size and shape, similar to corn kernels but in a piece form.
Answer: {"bbox_2d": [79, 163, 150, 223]}

Predicted bbox: [79, 163, 150, 223]

Ground truth: [96.0, 163.0, 141.0, 240.0]

Result: Correct

IoU: 0.5373

With CD

Generation Time: 8.35s

Thinking: The sentence "baby corn" likely refers to the small, elongated pieces of corn that are commonly used in stir-fries and are often found in Chinese cuisine. These pieces are typically cut from the cob and are used as a vegetable in various dishes. In the image, there are pieces of corn that appear to be baby corn, given their small size and shape.
Answer: {"bbox_2d": [74, 146, 147, 215]}

Predicted bbox: [74, 146, 147, 215]

Ground truth: [96.0, 163.0, 141.0, 240.0]

Result: Incorrect

IoU: 0.3797

Image

Dataset: refcocos_test

Caption: the man farthest from the camera

Image: val2017/000000003934.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.76s

Thinking: The sentence "the man farthest from the camera" refers to identifying the individual who is positioned at the farthest point from the viewer's perspective in the image. In this image, there are multiple people, but the person furthest from the camera appears to be the man wearing a white shirt and a white cap, standing near the back of the room. This is determined by observing the spatial arrangement of the individuals and their relative positions in the image.
Answer: {"bbox_2d": [94, 91, 152, 226]}

Predicted bbox: [94, 91, 152, 226]

Ground truth: [297.0, 133.0, 326.0, 221.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.20s

Thinking: The task is to identify the bounding box of the man farthest from the camera. To do this, I need to analyze the positions of the people in the image and determine which one is furthest from the camera's perspective. The person farthest from the camera will be on the right side of the image. 1. Identify all individuals in the image. 2. Compare their positions relative to the camera. 3. The person farthest from the camera is on the right side of the image.
Answer: {"bbox_2d": [155, 85, 200, 230]}

Predicted bbox: [155, 85, 200, 230]

Ground truth: [297.0, 133.0, 326.0, 221.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the person behind the lady in orange

Image: val2017/000000005001.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.89s

Thinking: The task requires identifying the person behind the lady in orange, which is a step-by-step process. The sentence describes a group of people, and the lady in orange is mentioned. The task is to find the person directly behind her in the group. However, the image does not provide enough detail to identify a specific person behind the lady in orange, as the lady in orange is not clearly distinguishable from others in the crowd.
Answer: {"bbox_2d": [433, 26, 509, 155]}

Predicted bbox: [433, 26, 509, 155]

Ground truth: [425.0, 25.0, 506.0, 164.0]

Result: Correct

IoU: 0.8086

With CD

Generation Time: 8.39s

Thinking: The sentence "the person behind the lady in orange" likely refers to a person positioned behind a person wearing orange. In the image, there is a lady in an orange top, and directly behind her, there is a person wearing a red cap and a light-colored shirt. This person appears to be positioned behind the lady in orange.
Answer: {"bbox_2d": [428, 28, 512, 156]}

Predicted bbox: [428, 28, 512, 156]

Ground truth: [425.0, 25.0, 506.0, 164.0]

Result: Correct

IoU: 0.8301

Image

Dataset: refcocos_test

Caption: the person who is not facing the camera and not holding it

Image: val2017/000000005193.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.42s

Thinking: The sentence "the person who is not facing the camera and not holding it" describes a person who is partially obscured and not actively interacting with the camera or surfboards. In the image, there is a person in the background wearing a light-colored jacket who appears to be facing away from the camera and not holding a surfboard. This person is likely the one described in the sentence.
Answer: {"bbox_2d": [0, 86, 224, 415]}

Predicted bbox: [0, 86, 224, 415]

Ground truth: [224.0, 67.0, 265.0, 185.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 11.21s

Thinking: The sentence describes a person who is not facing the camera and not holding the camera. In the image, there are multiple people, and one person is taking a photo while the others are holding surfboards. The person holding the camera is facing the camera and is the one taking the photo, not the one being photographed. 1. Identify the person taking the photo (the one with the camera). 2. Identify the people holding surfboards (not the one taking the photo). 3. Determine which person is not facing the camera and not holding the camera.
Answer: {"bbox_2d": [2, 89, 219, 415]}

Predicted bbox: [2, 89, 219, 415]

Ground truth: [224.0, 67.0, 265.0, 185.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the object held by the person on the right hand side of the person in red

Image: val2017/000000013291.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.92s

Thinking: The task is to identify the object held by the person on the right hand side of the person in red. First, I need to locate the person in red, then find the person to the right of them, and finally identify the object they are holding. 1. The person in red is the third person from the left, holding a frisbee. 2. The person to the right of the person in red is the fourth person from the left. 3. The fourth person from the left is holding a frisbee. The sentence describes the frisbee held by the fourth person from the left.
Answer: {"bbox_2d": [263, 170, 298, 205]}

Predicted bbox: [263, 170, 298, 205]

Ground truth: [182.0, 199.0, 217.0, 232.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 12.05s

Thinking: To determine the bounding box of the object held by the person on the right hand side of the person in red, I need to identify the person in red first. The person in red is the second person from the right, holding a frisbee. The person to the right of this person is the last person in the group, holding a frisbee as well. 1. Identify the person in red: The second person from the right. 2. Identify the person to the right of the person in red: The last person in the group. 3. The object held by the last person is a frisbee.
Answer: {"bbox_2d": [240, 170, 292, 205]}

Predicted bbox: [240, 170, 292, 205]

Ground truth: [182.0, 199.0, 217.0, 232.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the person sitting on the left side of the red chair

Image: val2017/000000014439.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.18s

Thinking: The question asks for the bounding box of the person sitting on the left side of the red chair. To identify this, we need to locate the red chair and then determine the position of the person to its left. The red chair is partially visible near the left side of the image, and the person to its left is sitting on the ground.
Answer: {"bbox_2d": [59, 128, 120, 169]}

Predicted bbox: [59, 128, 120, 169]

Ground truth: [23.0, 120.0, 64.0, 155.0]

Result: Incorrect

IoU: 0.0355

With CD

Generation Time: 9.61s

Thinking: The sentence "the person sitting on the left side of the red chair" refers to a person who is seated on a chair to the left of a red chair in the image. In the image, there are several people and a red chair, but the person sitting to the left of the red chair is not clearly visible. The person's location is ambiguous due to the perspective and the presence of other people and objects in the image.
Answer: {"bbox_2d": [63, 127, 114, 168]}

Predicted bbox: [63, 127, 114, 168]

Ground truth: [23.0, 120.0, 64.0, 155.0]

Result: Incorrect

IoU: 0.0080

Image

Dataset: refcocos_test

Caption: the second worker from the right

Image: val2017/000000014473.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.62s

Thinking: The sentence describes "the second worker from the right." This implies that we need to identify the worker second from the right in the group of workers on the railway tracks. To locate this worker, I'll count the workers from right to left, starting with the worker on the far right. 1. There are seven workers in total. 2. Starting from the right, the first worker is the one closest to the red and yellow train. 3. The second worker from the right is the one immediately to the left of the first worker.
Answer: {"bbox_2d": [295, 267, 314, 307]}

Predicted bbox: [295, 267, 314, 307]

Ground truth: [273.0, 272.0, 300.0, 310.0]

Result: Incorrect

IoU: 0.1086

With CD

Generation Time: 9.51s

Thinking: The task is to identify the bounding box of the second worker from the right. The sentence describes a specific worker, so I need to locate the worker in the image and then count to the second one from the right. 1. Identify the worker in the image that corresponds to the worker being described. 2. Count to the second worker from the right, which is the worker immediately to the left of the last worker.
Answer: {"bbox_2d": [317, 267, 339, 310]}

Predicted bbox: [317, 267, 339, 310]

Ground truth: [273.0, 272.0, 300.0, 310.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the frisbee that the child in blue looking at

Image: val2017/000000006954.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.20s

Thinking: The sentence "the frisbee that the child in blue looking at" is referring to the frisbee that the child in blue is holding. The child in blue is on the far right, and the frisbee is clearly visible in their hands. The frisbee is the object being looked at by this child.
Answer: {"bbox_2d": [466, 235, 611, 364]}

Predicted bbox: [466, 235, 611, 364]

Ground truth: [248.0, 228.0, 366.0, 345.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.46s

Thinking: The question asks for the bounding box of the frisbee that the child in blue is looking at. The child in blue is on the far right, and the frisbee he is holding is clearly visible and distinct from the other frisbees in the image. The frisbee is white with "Ultimate" written on it, and it's being held by the child in blue.
Answer: {"bbox_2d": [465, 232, 603, 361]}

Predicted bbox: [465, 232, 603, 361]

Ground truth: [248.0, 228.0, 366.0, 345.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the glass behind the flower

Image: val2017/000000007818.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.70s

Thinking: The instruction asks for the bounding box of the glass behind the flower. The flower is in the center of the image, and the glass is directly behind it. The glass appears to be a wine glass, given its shape and size relative to the rest of the objects.
Answer: {"bbox_2d": [347, 158, 419, 299]}

Predicted bbox: [347, 158, 419, 299]

Ground truth: [402.0, 187.0, 445.0, 292.0]

Result: Incorrect

IoU: 0.1386

With CD

Generation Time: 8.02s

Thinking: The sentence "the glass behind the flower" is referring to a wine glass positioned behind a vase containing flowers. In the image, there are multiple wine glasses, but the one located behind the vase with flowers is the one being referred to. The vase is in the center, and the wine glass is behind it.
Answer: {"bbox_2d": [346, 158, 417, 293]}

Predicted bbox: [346, 158, 417, 293]

Ground truth: [402.0, 187.0, 445.0, 292.0]

Result: Incorrect

IoU: 0.1257

Image

Dataset: refcocos_test

Caption: person other than the man and his reflection

Image: val2017/000000009483.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.36s

Thinking: The image contains a man standing in the foreground and his reflection in a mirror behind him. The question asks for the bounding box of a person other than the man and his reflection. Since the man is the only person in the image, and his reflection is not a distinct individual but rather a visual effect of the mirror, there is no other person to consider.
Answer: {"bbox_2d": [301, 73, 380, 260]}

Predicted bbox: [301, 73, 380, 260]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 8.09s

Thinking: The sentence "person other than the man and his reflection" implies that there is another person in the room, but not the man or his reflection. In the image, the man is standing in the foreground, and his reflection is visible in the mirror behind him. There are no other people visible in the room.
Answer: {"bbox_2d": [300, 73, 384, 263]}

Predicted bbox: [300, 73, 384, 263]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: yellow flag next to the middle clownfish flag

Image: val2017/000000017959.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.17s

Thinking: The sentence "yellow flag next to the middle clownfish flag" describes a specific part of the image. The yellow flag mentioned is not directly identifiable in the image as there is no yellow flag. However, the question might be referring to the flag next to the middle clownfish kite, which is not a flag but part of the kite's design. The yellow flag in the context might be referring to the orange part of the clownfish kite, which is yellow in the image.
Answer: {"bbox_2d": [208, 264, 330, 403]}

Predicted bbox: [208, 264, 330, 403]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 8.53s

Thinking: The sentence "yellow flag next to the middle clownfish flag" suggests we are looking for a yellow object that is adjacent to the middle clownfish flag. However, upon analyzing the image, there is no yellow flag visible next to the middle clownfish flag. Instead, there is a red flag with a black stripe next to the middle clownfish flag.
Answer: {"bbox_2d": [22, 198, 103, 400]}

Predicted bbox: [22, 198, 103, 400]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: third motorcycle from the left

Image: val2017/000000019109.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.62s

Thinking: The sentence "third motorcycle from the left" refers to a specific motorcycle in the image. To locate this motorcycle, I'll start from the left side of the image and count the motorcycles until I reach the third one. 1. The first motorcycle is the closest to the left. 2. The second motorcycle is next to the first one. 3. The third motorcycle is next to the second one.
Answer: {"bbox_2d": [187, 252, 324, 354]}

Predicted bbox: [187, 252, 324, 354]

Ground truth: [138.0, 261.0, 189.0, 375.0]

Result: Incorrect

IoU: 0.0095

With CD

Generation Time: 10.23s

Thinking: The sentence "third motorcycle from the left" refers to the third motorcycle in a row of parked motorcycles. To identify the bounding box, I need to count the motorcycles from the left side of the image. 1. Identify the first motorcycle from the left. 2. Identify the second motorcycle from the left. 3. Identify the third motorcycle from the left. The bounding box for the third motorcycle from the left is located between the second and the fourth motorcycle in the row.
Answer: {"bbox_2d": [195, 253, 335, 357]}

Predicted bbox: [195, 253, 335, 357]

Ground truth: [138.0, 261.0, 189.0, 375.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the person next to the stairs

Image: val2017/000000018380.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.98s

Thinking: The instruction asks for the bounding box of "the person next to the stairs." To identify this, I need to locate the person standing or sitting next to the stairs in the image. The person near the stairs appears to be wearing a blue shirt and is partially visible behind the group at the head of the table.
Answer: {"bbox_2d": [236, 33, 286, 113]}

Predicted bbox: [236, 33, 286, 113]

Ground truth: [229.0, 36.0, 278.0, 120.0]

Result: Correct

IoU: 0.6624

With CD

Generation Time: 9.65s

Thinking: The task is to identify the bounding box of the person next to the stairs. The sentence describes a specific person in the context of a group photo, but without the exact coordinates, we need to identify the person based on the description. 1. The person is next to the stairs, which indicates a spatial relationship. 2. The person is part of a group, but the description is too vague to pinpoint the exact individual without coordinates.
Answer: {"bbox_2d": [235, 34, 283, 133]}

Predicted bbox: [235, 34, 283, 133]

Ground truth: [229.0, 36.0, 278.0, 120.0]

Result: Correct

IoU: 0.6872

Image

Dataset: refcocos_test

Caption: the person outside the fence who is not sitting

Image: val2017/000000018491.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.25s

Thinking: The instruction asks for the bounding box of the person outside the fence who is not sitting. To identify this, I need to first locate the person outside the fence, which typically would be the player standing in the field or near the fence. Then, I need to determine which of these individuals is not sitting. 1. Identify the person outside the fence: There are two people outside the fence, one in a blue shirt and one in a green shirt. 2. Determine which of these individuals is not sitting: The person in the green shirt appears to be standing, while the person in the blue shirt is sitting on the bleachers.
Answer: {"bbox_2d": [133, 30, 166, 120]}

Predicted bbox: [133, 30, 166, 120]

Ground truth: [128.0, 32.0, 165.0, 145.0]

Result: Correct

IoU: 0.6496

With CD

Generation Time: 8.66s

Thinking: The sentence "the person outside the fence who is not sitting" refers to a person standing outside the fence, not seated. The image shows multiple people, but the one standing outside the fence is the one who is not sitting. The person standing outside the fence appears to be a spectator or an umpire, not a player, and is positioned near the fence.
Answer: {"bbox_2d": [330, 72, 392, 200]}

Predicted bbox: [330, 72, 392, 200]

Ground truth: [128.0, 32.0, 165.0, 145.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the person on the surfboard which is not pink or yellow

Image: val2017/000000081988.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.74s

Thinking: The task is to identify the bounding box of the person on the surfboard that is not pink or yellow. The image shows four people on the beach with surfboards, but only one surfboard is pink and one is yellow. The others are either not visible or appear to be surfboards that are not pink or yellow. 1. Identify the surfboards: One is pink, one is yellow, and the others are not visible or not pink or yellow. 2. Identify the person on the non-pink, non-yellow surfboard: This would be the person on the surfboard that is neither pink nor yellow. The final answer is the person on the surfboard that is not pink or yellow.
Answer: {"bbox_2d": [477, 310, 593, 394]}

Predicted bbox: [477, 310, 593, 394]

Ground truth: [45.0, 284.0, 160.0, 394.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.65s

Thinking: The sentence "the person on the surfboard which is not pink or yellow" describes a person on a surfboard that is neither pink nor yellow. In the image, there are four surfboards visible: one pink, one yellow, and two that are not pink or yellow. The person on the surfboard that is not pink or yellow is the one on the far left, sitting on a surfboard that appears to be black.
Answer: {"bbox_2d": [49, 281, 160, 386]}

Predicted bbox: [49, 281, 160, 386]

Ground truth: [45.0, 284.0, 160.0, 394.0]

Result: Correct

IoU: 0.8721

Image

Dataset: refcocos_test

Caption: a burned hotdog

Image: val2017/000000083531.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.79s

Thinking: The instruction asks for the bounding box of a "burned hotdog." In the image, there are several hotdogs on the grill, but none appear to be significantly burned. The hotdogs seem to be cooked but not overdone. The question likely refers to the one that is the most charred or browned.
Answer: {"bbox_2d": [344, 188, 412, 205]}

Predicted bbox: [344, 188, 412, 205]

Ground truth: [343.0, 159.0, 404.0, 178.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 8.47s

Thinking: The sentence "a burned hotdog" likely refers to a hotdog that has been overcooked, resulting in a darker, possibly charred appearance. In the image, there is a hotdog on the grill that appears to be more browned and possibly overcooked compared to the others, which are reddish-pink. This hotdog is located towards the right side of the grill.
Answer: {"bbox_2d": [305, 192, 486, 230]}

Predicted bbox: [305, 192, 486, 230]

Ground truth: [343.0, 159.0, 404.0, 178.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the three people on the balcony right above crowd, not on the ground

Image: val2017/000000084031.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.33s

Thinking: The sentence describes a specific area in the image, which seems to be a balcony or upper seating area above the crowd. However, the image provided does not clearly show a balcony above the crowd, and the visible area is actually the main seating area with multiple rows of spectators. The image does not provide enough detail to accurately identify the exact location described in the sentence.
Answer: {"bbox_2d": [122, 10, 644, 156]}

Predicted bbox: [122, 10, 644, 156]

Ground truth: [250.0, 126.0, 277.0, 152.0]

Result: Incorrect

IoU: 0.0092

With CD

Generation Time: 10.30s

Thinking: The task is to identify the bounding box of the three people on the balcony right above the crowd, not on the ground. This involves locating the balcony area in the image and then pinpointing the three individuals within that area. 1. Identify the balcony area: The balcony is the upper level of the building, with red railings and windows. 2. Locate the individuals: The three people are visible in the upper part of the balcony, above the crowd and not on the ground.
Answer: {"bbox_2d": [395, 13, 416, 28]}

Predicted bbox: [395, 13, 416, 28]

Ground truth: [250.0, 126.0, 277.0, 152.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the smaller pot in front of the cooking pan

Image: val2017/000000084241.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.87s

Thinking: The sentence "the smaller pot in front of the cooking pan" likely refers to a pot that is positioned closer to the viewer than the cooking pan. The cooking pan is usually larger and more prominent, often on the stove, while the smaller pot is typically placed in front of it on the counter or slightly to the side. In the image, there are two pots visible, with one being smaller and placed in front of the larger pan.
Answer: {"bbox_2d": [241, 323, 347, 392]}

Predicted bbox: [241, 323, 347, 392]

Ground truth: [238.0, 326.0, 321.0, 394.0]

Result: Correct

IoU: 0.6877

With CD

Generation Time: 10.95s

Thinking: The sentence "the smaller pot in front of the cooking pan" refers to a pot that is smaller in size and positioned in front of a larger cooking pan. In the image, there are multiple pots, but the one in front of the cooking pan appears to be the smaller one. The cooking pan is larger and positioned behind the smaller pot. 1. Identify the cooking pan in the image. 2. Locate the pot in front of the cooking pan. 3. Compare the sizes of the pots to identify the smaller one.
Answer: {"bbox_2d": [238, 327, 339, 391]}

Predicted bbox: [238, 327, 339, 391]

Ground truth: [238.0, 326.0, 321.0, 394.0]

Result: Correct

IoU: 0.7816

Image

Dataset: refcocos_test

Caption: person wearing striped shirt without long hair

Image: val2017/000000085157.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.82s

Thinking: The sentence describes a person wearing a striped shirt without long hair. In the image, there are several individuals, and one person in a striped shirt is located on the right side of the frame, and they do not appear to have long hair. This matches the description in the sentence.
Answer: {"bbox_2d": [462, 93, 639, 438]}

Predicted bbox: [462, 93, 639, 438]

Ground truth: [422.0, 97.0, 630.0, 455.0]

Result: Correct

IoU: 0.7322

With CD

Generation Time: 12.70s

Thinking: The task is to identify the bounding box of the person wearing a striped shirt without long hair. In the image, there are several people, but the person wearing a striped shirt without long hair can be identified as the one on the far right, who is partially obscured but identifiable by the striped shirt and short hair. 1. Identify the striped shirt: The person on the far right is wearing a striped shirt. 2. Check for long hair: The person on the far right does not have long hair. 3. Confirm the bounding box: The bounding box should cover the person on the far right, excluding the person with long hair.
Answer: {"bbox_2d": [456, 90, 641, 442]}

Predicted bbox: [456, 90, 641, 442]

Ground truth: [422.0, 97.0, 630.0, 455.0]

Result: Correct

IoU: 0.7546

Image

Dataset: refcocos_test

Caption: the carbinets on the top of the microwave

Image: val2017/000000091615.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.05s

Thinking: The instruction asks for the bounding box of the carbinets on the top of the microwave. The microwave is located on the right side of the image, and the cabinets above it are part of the kitchen's upper cabinetry. The bounding box should be above the microwave and likely includes the top part of the microwave as well.
Answer: {"bbox_2d": [465, 0, 644, 120]}

Predicted bbox: [465, 0, 644, 120]

Ground truth: [479.0, 1.0, 626.0, 51.0]

Result: Incorrect

IoU: 0.3422

With CD

Generation Time: 9.67s

Thinking: The instruction asks to identify the cabinets on the top of the microwave. The microwave is located towards the upper right of the image, and the cabinets above it are the uppermost cabinets in the kitchen, directly above the microwave. 1. Identify the microwave: It's the stainless steel appliance with the control panel on the right. 2. Locate the cabinets above the microwave: These are the uppermost cabinets in the kitchen, above the microwave.
Answer: {"bbox_2d": [473, 0, 644, 121]}

Predicted bbox: [473, 0, 644, 121]

Ground truth: [479.0, 1.0, 626.0, 51.0]

Result: Incorrect

IoU: 0.3552

Image

Dataset: refcocos_test

Caption: hotdog without vegetables on it

Image: val2017/000000091779.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.05s

Thinking: The sentence "hotdog without vegetables on it" likely refers to the top hotdog in the image. This hotdog has a sausage in a bun but does not have any visible vegetables on it, unlike the other two hotdogs which have toppings like red peppers and possibly a topping that looks like sauerkraut.
Answer: {"bbox_2d": [1, 46, 328, 164]}

Predicted bbox: [1, 46, 328, 164]

Ground truth: [110.0, 99.0, 472.0, 320.0]

Result: Incorrect

IoU: 0.1357

With CD

Generation Time: 7.76s

Thinking: The instruction asks for the bounding box of a hotdog without vegetables on it. However, the image shows three hotdogs, each with different toppings. The first hotdog appears to have onions, the second has chili, and the third has peppers. None of the hotdogs are without any vegetables.
Answer: {"bbox_2d": [0, 45, 331, 167]}

Predicted bbox: [0, 45, 331, 167]

Ground truth: [110.0, 99.0, 472.0, 320.0]

Result: Incorrect

IoU: 0.1426

Image

Dataset: refcocos_test

Caption: dish seems to have the least amount

Image: val2017/000000092053.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.02s

Thinking: The task is to identify the bounding box of the dish with the least amount of food. First, we need to compare the three plates in the image: 1. The plate in the foreground has a sausage on a bed of what appears to be mashed potatoes. 2. The plate in the middle has a sandwich and some greens. 3. The plate on the right has a piece of fish with some green beans. The plate with the least amount of food seems to be the one in the middle, which has a sandwich and some greens, compared to the other two which have more substantial portions of food.
Answer: {"bbox_2d": [373, 79, 644, 243]}

Predicted bbox: [373, 79, 644, 243]

Ground truth: [370.0, 84.0, 637.0, 248.0]

Result: Correct

IoU: 0.9075

With CD

Generation Time: 8.25s

Thinking: The phrase "dish seems to have the least amount" suggests identifying the plate with the smallest portion of food. Observing the image, the plate on the right appears to have the least amount of food. This plate has a piece of chicken with a few green beans, which is significantly smaller than the other plates that have more food.
Answer: {"bbox_2d": [369, 80, 644, 245]}

Predicted bbox: [369, 80, 644, 245]

Ground truth: [370.0, 84.0, 637.0, 248.0]

Result: Correct

IoU: 0.9309

Image

Dataset: refcocos_test

Caption: black board that does not have a number on it

Image: val2017/000000094185.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.86s

Thinking: The task is to identify the bounding box of a blackboard that does not have a number on it. The image contains multiple blackboards, but one in particular stands out because it is larger and positioned prominently to the right side of the storefront, and it does not have a number written on it. The other blackboards have numbers, such as "2" and "1", which are not relevant to this specific task.
Answer: {"bbox_2d": [556, 173, 603, 355]}

Predicted bbox: [556, 173, 603, 355]

Ground truth: [551.0, 180.0, 604.0, 352.0]

Result: Correct

IoU: 0.8433

With CD

Generation Time: 10.25s

Thinking: The image contains multiple blackboards with text. The sentence "black board that does not have a number on it" is asking for a specific board without any numerical content. The board in the image that does not have a number on it is the one on the right side of the storefront, which has "Teddy Bear Tea Rooms Upstairs" written on it. The other boards have numbers (e.g., "10p" and "2p").
Answer: {"bbox_2d": [562, 179, 617, 347]}

Predicted bbox: [562, 179, 617, 347]

Ground truth: [551.0, 180.0, 604.0, 352.0]

Result: Correct

IoU: 0.6184

Image

Dataset: refcocos_test

Caption: person holding up a frisbee and not wearing a bag

Image: val2017/000000100238.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.31s

Thinking: The sentence describes a person holding up a frisbee and not wearing a bag. In the image, there are four people, and one of them is holding a frisbee and does not have a bag around them. The person on the far left is holding a frisbee and is not wearing a bag. This aligns with the description in the sentence. 1. Identify the person holding a frisbee: The person on the far left is holding a frisbee. 2. Check if they are wearing a bag: The person is not wearing a bag. 3. Confirm the person matches the description in the sentence.
Answer: {"bbox_2d": [357, 0, 533, 476]}

Predicted bbox: [357, 0, 533, 476]

Ground truth: [8.0, 27.0, 207.0, 475.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 11.90s

Thinking: The sentence "person holding up a frisbee and not wearing a bag" refers to a person who is holding a frisbee in one hand and is not wearing a bag. In the image, there are four people, and the person on the far left is holding a frisbee in their right hand and does not appear to be wearing a bag around their shoulder. 1. Identify the person holding a frisbee: The person on the far left. 2. Check if the person is wearing a bag: The person on the far left is not wearing a bag.
Answer: {"bbox_2d": [10, 27, 214, 476]}

Predicted bbox: [10, 27, 214, 476]

Ground truth: [8.0, 27.0, 207.0, 475.0]

Result: Correct

IoU: 0.9542

Image

Dataset: refcocos_test

Caption: ice cream next to the potato

Image: val2017/000000104669.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.75s

Thinking: The sentence "ice cream next to the potato" is not directly referring to the image content. The image shows a plate with a steak, potatoes, and vegetables. There is no ice cream present in the image. The sentence seems to be a misinterpretation or a hypothetical scenario not related to the image.
Answer: {"bbox_2d": [292, 71, 345, 127]}

Predicted bbox: [292, 71, 345, 127]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 6.46s

Thinking: The sentence "ice cream next to the potato" does not accurately describe the image. The image shows a plate with a steak, potatoes, broccoli, carrots, and a lemon wedge. There is no ice cream present in the image.
Answer: {"bbox_2d": [290, 73, 353, 127]}

Predicted bbox: [290, 73, 353, 127]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the person partially obscured by the person in red shorts

Image: val2017/000000105264.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.55s

Thinking: The sentence "the person partially obscured by the person in red shorts" seems to refer to a figure that is partially visible due to being in front of or next to someone wearing red shorts. In the image, there's a person in red shorts in the foreground, and behind or partially obscured by this person, there appears to be another individual. This is consistent with the description of the sentence.
Answer: {"bbox_2d": [443, 195, 470, 291]}

Predicted bbox: [443, 195, 470, 291]

Ground truth: [437.0, 196.0, 469.0, 295.0]

Result: Correct

IoU: 0.7508

With CD

Generation Time: 8.46s

Thinking: The sentence "the person partially obscured by the person in red shorts" refers to an individual that is not fully visible because someone in red shorts is standing in front of them. In the image, there is a person in red shorts running, and behind them, there appears to be another person standing, partially obscured by the one in red shorts.
Answer: {"bbox_2d": [445, 195, 473, 293]}

Predicted bbox: [445, 195, 473, 293]

Ground truth: [437.0, 196.0, 469.0, 295.0]

Result: Correct

IoU: 0.6496

Image

Dataset: refcocos_test

Caption: the second car behind the car with two open doors

Image: val2017/000000111086.jpg

$Image with bounding boxes$

Ground Truth Without CD With CD

Without CD

Generation Time: 4.00s

Thinking: The sentence asks for the bounding box of the second car behind the car with two open doors. The first step is to identify the car with two open doors, which appears to be the black car with its rear hatch open. The next step is to identify the second car behind it, which is a silver car with its rear hatch also open.
Answer: {"bbox_2d": [164, 226, 294, 284]}

Predicted bbox: [164, 226, 294, 284]

Ground truth: [161.0, 232.0, 226.0, 281.0]

Result: Incorrect

IoU: 0.3952

With CD

Generation Time: 10.21s

Thinking: To determine the bounding box of the region that describes the second car behind the car with two open doors, we need to follow these steps: 1. Identify the car with two open doors. This car is the one in the foreground with its rear doors open. 2. Locate the car directly behind this car, which is the second car in the row. The car with two open doors is the one closest to the camera, and the car behind it is the one directly behind it in the row.
Answer: {"bbox_2d": [206, 221, 299, 285]}

Predicted bbox: [206, 221, 299, 285]

Ground truth: [161.0, 232.0, 226.0, 281.0]

Result: Incorrect

IoU: 0.1201

Image

Dataset: refcocos_test

Caption: the suitcase own by a person holding food in hand

Image: val2017/000000114049.jpg

$Image with bounding boxes$

Ground Truth Without CD With CD

Without CD

Generation Time: 4.40s

Thinking: The sentence describes a suitcase owned by a person holding food in hand. In the image, there are several suitcases, but the one that appears to be held by a person holding food is the one in the center, which is a large, dark-colored suitcase with a pattern. It is located near the person in the blue shirt who is interacting with the food item.
Answer: {"bbox_2d": [162, 392, 295, 636]}

Predicted bbox: [162, 392, 295, 636]

Ground truth: [131.0, 327.0, 236.0, 571.0]

Result: Incorrect

IoU: 0.2955

With CD

Generation Time: 13.09s

Thinking: The task is to identify the bounding box of a suitcase that a person is holding food in hand. In the image, a person in the center appears to be holding food and is standing next to a suitcase that is clearly visible and appears to be the one in question. The person's hand is extended towards the food, and the suitcase is positioned close to them. 1. Identify the person holding food: The person in the center appears to be holding food. 2. Identify the suitcase: The suitcase is located to the right of the person holding food. 3. Determine the bounding box: The bounding box should encompass the suitcase that is closest to the person holding food.
Answer: {"bbox_2d": [155, 353, 296, 637]}

Predicted bbox: [155, 353, 296, 637]

Ground truth: [131.0, 327.0, 236.0, 571.0]

Result: Incorrect

IoU: 0.3678

Image

Dataset: refcocos_test

Caption: the bus next to the bus with a different color

Image: val2017/000000114884.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.57s

Thinking: The instruction asks for the bounding box of the bus next to the bus with a different color. To identify this, I need to first locate the bus with a different color, which appears to be the one in the middle with a yellow stripe. Then, I need to identify the bus next to it. Observing the image, the bus next to the yellow-striped bus is the one with a white body and a blue stripe.
Answer: {"bbox_2d": [175, 75, 270, 138]}

Predicted bbox: [175, 75, 270, 138]

Ground truth: [215.0, 73.0, 273.0, 133.0]

Result: Correct

IoU: 0.5084

With CD

Generation Time: 8.17s

Thinking: To determine the bounding box of the bus next to the bus with a different color, I need to identify the bus with the different color first. The bus with the different color appears to be the one on the right side of the image, which has a bright orange stripe on its side. The bus next to it would be the one immediately to its left.
Answer: {"bbox_2d": [162, 68, 271, 136]}

Predicted bbox: [162, 68, 271, 136]

Ground truth: [215.0, 73.0, 273.0, 133.0]

Result: Incorrect

IoU: 0.4461

Image

Dataset: refcocos_test

Caption: woman with hat

Image: val2017/000000115870.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.52s

Thinking: The sentence "woman with hat" could refer to the woman sitting on the couch, as she appears to be wearing a hat or cap. However, the bounding box coordinates provided in the image do not align with this description, as the bounding box coordinates are for the man in the center of the room. Therefore, the sentence does not seem to correspond to the bounding box coordinates in the image.
Answer: {"bbox_2d": [58, 178, 154, 294]}

Predicted bbox: [58, 178, 154, 294]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 9.23s

Thinking: The sentence "woman with hat" likely refers to the person standing in the room, as the other individuals are either seated or lying down. The person standing is wearing a hat, which matches the description in the sentence. The bounding box for this person is likely located above the seated individuals, as the woman with the hat is standing and appears to be the only one wearing a hat in the room.
Answer: {"bbox_2d": [274, 103, 336, 178]}

Predicted bbox: [274, 103, 336, 178]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the elephant fifth farthest from the camera

Image: val2017/000000119641.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.06s

Thinking: The task is to identify the bounding box of the fifth elephant from the camera in the image. To do this, I'll count the elephants from left to right: 1. The first elephant is the closest to the camera. 2. The second elephant is the next one. 3. The third elephant is the next one. 4. The fourth elephant is the next one. 5. The fifth elephant is the one furthest from the camera. The sentence "the elephant fifth farthest from the camera" describes the fifth elephant in the line, which is the one farthest from the camera.
Answer: {"bbox_2d": [501, 376, 541, 433]}

Predicted bbox: [501, 376, 541, 433]

Ground truth: [502.0, 385.0, 537.0, 435.0]

Result: Correct

IoU: 0.7149

With CD

Generation Time: 13.60s

Thinking: The task is to identify the bounding box of the elephant fifth farthest from the camera. To determine this, I'll count the elephants from the closest to the farthest, ensuring I'm identifying the correct one. 1. The elephant closest to the camera is the first. 2. The second elephant is the one immediately to the right of the first. 3. The third elephant is the one to the right of the second. 4. The fourth elephant is the one to the right of the third. 5. The fifth elephant is the one to the right of the fourth. The sentence describes the fifth elephant from the camera, which is the one farthest from the camera in the image.
Answer: {"bbox_2d": [499, 373, 540, 434]}

Predicted bbox: [499, 373, 540, 434]

Ground truth: [502.0, 385.0, 537.0, 435.0]

Result: Correct

IoU: 0.6763

Image

Dataset: refcocos_test

Caption: horse at left rear of the horse ride by a man wearing shirt

Image: val2017/000000121031.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.49s

Thinking: The question asks for the bounding box of the horse at the left rear of the group of horses. The image shows a group of people riding horses through a river. The horse in question is the one positioned to the left of the horse ridden by the man in the shirt, as viewed from the perspective of the camera. 1. Identify the group of horses: There are four horses in the image. 2. Locate the man wearing a shirt: The man in the shirt is riding a horse towards the center of the image. 3. Identify the horse at the left rear: The horse to the left of the shirt-wearing rider is the one in question.
Answer: {"bbox_2d": [220, 190, 295, 305]}

Predicted bbox: [220, 190, 295, 305]

Ground truth: [387.0, 187.0, 442.0, 260.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 13.96s

Thinking: The sentence "horse at left rear of the horse ride by a man wearing shirt" seems to describe a specific horse in the image. The phrase "left rear" indicates a position relative to the viewer, suggesting we are looking at the horses from a side view, with the rear horse being the one closest to the viewer on the left side of the group. 1. Identify the horses in the image. 2. Locate the horses that are positioned to the left of the rider in the foreground. 3. Identify the horse that is positioned behind the rider in the foreground. The horse at the left rear of the group, from the viewer's perspective, is the one closest to the viewer on the left side of the group.
Answer: {"bbox_2d": [225, 190, 294, 313]}

Predicted bbox: [225, 190, 294, 313]

Ground truth: [387.0, 187.0, 442.0, 260.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: person in yellow jersy

Image: val2017/000000123213.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.28s

Thinking: The image shows a baseball game with a batter, catcher, and umpire. The sentence "person in yellow jersy" does not match any part of the image content. There is no yellow jersey present in the scene.
Answer: {"bbox_2d": [376, 0, 460, 80]}

Predicted bbox: [376, 0, 460, 80]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 8.77s

Thinking: The sentence "person in yellow jersy" does not match any part of the image. The image shows a baseball game with a batter, catcher, and umpire, but there is no person in a yellow jersey visible in the scene. The players' jerseys are either white (batter and umpire) or gray (catcher), but there is no yellow jersey present.
Answer: {"bbox_2d": [367, 0, 459, 84]}

Predicted bbox: [367, 0, 459, 84]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the doll in front of a book whose name is not the office and not monk

Image: val2017/000000125062.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 7.51s

Thinking: The task is to identify the bounding box of the teddy bear in front of a book whose title is neither "The Office" nor "Monk". Let's break this down: 1. Identify the teddy bear closest to the viewer (in the foreground). 2. Identify the book behind this teddy bear. 3. Check the title of the book behind this teddy bear. 4. Determine if the title is "The Office" or "Monk". 5. If it's not one of these titles, it matches the description. The teddy bear in the foreground is in front of a book that appears to be "Lie to Me" (as it is visible and legible in the image). The title "Lie to Me" is neither "The Office" nor "Monk".
Answer: {"bbox_2d": [148, 320, 417, 627]}

Predicted bbox: [148, 320, 417, 627]

Ground truth: [1.0, 224.0, 127.0, 445.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 12.96s

Thinking: The task is to identify the bounding box of a specific teddy bear based on the description. The description states it's the doll in front of a book whose name is not "the office" and not "monk". 1. Identify the books: "the office" and "monk" are clearly visible in the background. 2. Locate the book not named "the office" or "monk": The book to the left of "the office" is "Lie to me". 3. Identify the teddy bear in front of this book: The teddy bear in front of "Lie to me" is the one in the foreground.
Answer: {"bbox_2d": [147, 326, 416, 625]}

Predicted bbox: [147, 326, 416, 625]

Ground truth: [1.0, 224.0, 127.0, 445.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: chips that is neither red nor green

Image: val2017/000000125936.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.70s

Thinking: The question asks for the bounding box of chips that is neither red nor green. In the image, there are several shelves with various products, and the chips are located on the top shelf. However, the chips are not clearly distinguishable as red or green from the image alone. The question seems to be referring to the general location of chips, not a specific type. Therefore, the bounding box should cover the area where the chips are located.
Answer: {"bbox_2d": [218, 149, 302, 201]}

Predicted bbox: [218, 149, 302, 201]

Ground truth: [255.0, 107.0, 316.0, 136.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 8.54s

Thinking: The question asks for a bounding box of chips that is neither red nor green. However, the image does not provide a clear view of chips or their colors. The visible items in the image are mainly fruits and baked goods, not chips. The sentence might be referring to a specific part of the image that isn't clearly visible or might be a misinterpretation of the question.
Answer: {"bbox_2d": [234, 173, 299, 200]}

Predicted bbox: [234, 173, 299, 200]

Ground truth: [255.0, 107.0, 316.0, 136.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the cabinet above the white rice cooker

Image: val2017/000000127182.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 7.23s

Thinking: The sentence refers to "the cabinet above the white rice cooker." To locate this, I need to identify the rice cooker, which is a white appliance with a pot on top, located on the countertop near the center of the image. The cabinet above it would be directly above this appliance. 1. Identify the rice cooker: It's the white appliance with a pot on top, located on the countertop near the center of the image. 2. Locate the cabinet above it: The cabinet is directly above the rice cooker, positioned between the microwave on the left and the window on the right. The bounding box coordinates for the cabinet above the white rice cooker are approximately [178, 120, 327, 276].
Answer: {"bbox_2d": [178, 120, 327, 276]}

Predicted bbox: [178, 120, 327, 276]

Ground truth: [187.0, 64.0, 325.0, 275.0]

Result: Correct

IoU: 0.6906

With CD

Generation Time: 12.23s

Thinking: The sentence "the cabinet above the white rice cooker" refers to a cabinet that is positioned directly above the rice cooker in the image. The rice cooker is located on the countertop, and the cabinet above it is part of the kitchen's upper storage area. The bounding box for this cabinet can be identified by its position directly above the rice cooker. 1. Identify the rice cooker: It's a white appliance on the countertop. 2. Locate the cabinet above: The cabinet is directly above the rice cooker. 3. Define the bounding box: The bounding box should encompass the area directly above the rice cooker.
Answer: {"bbox_2d": [178, 67, 318, 273]}

Predicted bbox: [178, 67, 318, 273]

Ground truth: [187.0, 64.0, 325.0, 275.0]

Result: Correct

IoU: 0.8713

Image

Dataset: refcocos_test

Caption: the surfboard overlapping two other surfboards

Image: val2017/000000127517.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.62s

Thinking: The instruction asks for the bounding box of the surfboard overlapping two other surfboards. However, there is no surfboard in the image that is overlapping two other surfboards. Instead, there are surfboards standing next to each other, but none are overlapping.
Answer: {"bbox_2d": [228, 0, 371, 408]}

Predicted bbox: [228, 0, 371, 408]

Ground truth: [507.0, 75.0, 578.0, 363.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.31s

Thinking: The instruction asks for the bounding box of the surfboard overlapping two other surfboards. In the image, the surfboard that is partially hidden by the one on the left and the one on the right is the third surfboard from the left. This surfboard is partially obscured by the surfboard on the left and the surfboard on the right, hence it overlaps the two surfboards next to it.
Answer: {"bbox_2d": [228, 0, 374, 403]}

Predicted bbox: [228, 0, 374, 403]

Ground truth: [507.0, 75.0, 578.0, 363.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: object behind the couch not facing camera horizontally

Image: val2017/000000128148.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.28s

Thinking: The instruction asks for the bounding box of the object behind the couch that is not facing camera horizontally. In this image, there is a bookshelf to the left of the couch, which is not facing horizontally but rather is at a 90-degree angle to the couch. The bookshelf is positioned perpendicular to the couch and is not facing the camera horizontally.
Answer: {"bbox_2d": [76, 112, 154, 220]}

Predicted bbox: [76, 112, 154, 220]

Ground truth: [1.0, 189.0, 96.0, 311.0]

Result: Incorrect

IoU: 0.0320

With CD

Generation Time: 10.59s

Thinking: The sentence "object behind the couch not facing camera horizontally" seems to describe an object that is not directly in front of the camera and is located behind the couch, but not facing horizontally like the couch itself. This could refer to a bookshelf, a piece of furniture, or some other object that is positioned at an angle relative to the couch. In the image, the bookshelf on the left side of the room appears to fit this description as it is behind the couch and not facing horizontally.
Answer: {"bbox_2d": [75, 113, 155, 223]}

Predicted bbox: [75, 113, 155, 223]

Ground truth: [1.0, 189.0, 96.0, 311.0]

Result: Incorrect

IoU: 0.0363

Image

Dataset: refcocos_test

Caption: the cake decorated with two white swan-like figures, noticeably further apart from each other compared to similar decorations on other cakes

Image: val2017/000000128476.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 7.06s

Thinking: The image shows several cakes with intricate decorations. To identify the cake with the white swan-like figures, I need to look for the cake that has the most prominent and distinct pair of such figures. Here's the breakdown of the reasoning: 1. The cakes are arranged in a row, and each has a pair of white decorative figures on top. 2. Observing the figures, the cake in the middle of the row appears to have the most prominent pair, with the figures placed farther apart from each other compared to the others. 3. The figures on the other cakes are closer together or less distinct. Based on this analysis, the cake with the most prominent and distinct pair of white swan-like figures is the one in the middle.
Answer: {"bbox_2d": [332, 124, 591, 278]}

Predicted bbox: [332, 124, 591, 278]

Ground truth: [307.0, 146.0, 593.0, 353.0]

Result: Correct

IoU: 0.5268

With CD

Generation Time: 13.61s

Thinking: The task is to identify the cake with two white swan-like figures that are further apart from each other compared to similar decorations on other cakes. Here's the reasoning: 1. First, identify the cakes with the white swan-like figures. 2. Compare the distance between the swan-like figures on each cake. 3. Identify the cake where the swan-like figures are the most spread apart. The cake in the center of the image has the swan-like figures that are noticeably further apart than those on the other cakes. Final bounding box coordinates for the cake in question: - Top-left corner: (x1, y1) - Bottom-right corner: (x2, y2)
Answer: {"bbox_2d": [317, 126, 588, 331]}

Predicted bbox: [317, 126, 588, 331]

Ground truth: [307.0, 146.0, 593.0, 353.0]

Result: Correct

IoU: 0.7758

Image

Dataset: refcocos_test

Caption: the cow furthest from camera

Image: val2017/000000129416.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.70s

Thinking: The sentence "the cow furthest from camera" is describing a specific cow in the image. To determine which cow this refers to, I need to assess the relative positions of the cows in the image. The cow that is furthest from the camera would be the one that is farthest away from the viewer's perspective. In this image, the cow on the left side, which is the furthest away from the camera, fits this description.
Answer: {"bbox_2d": [36, 206, 58, 238]}

Predicted bbox: [36, 206, 58, 238]

Ground truth: [57.0, 214.0, 74.0, 235.0]

Result: Incorrect

IoU: 0.0202

With CD

Generation Time: 8.35s

Thinking: The sentence "the cow furthest from camera" refers to the cow that is located at the farthest point from the viewer's perspective in the image. In this image, there are several cows, but the one that appears to be the furthest away from the camera's viewpoint is the one on the left side of the image, which is partially obscured by the others.
Answer: {"bbox_2d": [33, 206, 56, 237]}

Predicted bbox: [33, 206, 56, 237]

Ground truth: [57.0, 214.0, 74.0, 235.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: man sitting next to number 25 with his mouth open

Image: val2017/000000133969.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.85s

Thinking: The sentence "man sitting next to number 25 with his mouth open" seems to refer to a person sitting near a player wearing number 25. However, the image does not clearly show a person with the number 25, and the focus is on the players in the dugout rather than on the field. Therefore, it's not possible to accurately determine the bounding box coordinates for the person described in the sentence.
Answer: {"bbox_2d": [262, 109, 328, 312]}

Predicted bbox: [262, 109, 328, 312]

Ground truth: [214.0, 176.0, 288.0, 315.0]

Result: Incorrect

IoU: 0.1755

With CD

Generation Time: 10.53s

Thinking: The task is to identify the bounding box of a specific person based on the sentence provided. The sentence describes a person sitting next to a player with the number 25, and it also mentions that this person has his mouth open. The player with the number 25 is located in the middle of the image, and the person next to him is to the left of the player, sitting and wearing a gray uniform. The person's mouth is open, as suggested by the description.
Answer: {"bbox_2d": [220, 172, 283, 312]}

Predicted bbox: [220, 172, 283, 312]

Ground truth: [214.0, 176.0, 288.0, 315.0]

Result: Correct

IoU: 0.8131

Image

Dataset: refcocos_test

Caption: keyboard closest to monitor that is on

Image: val2017/000000135872.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.17s

Thinking: The task is to identify the bounding box of the keyboard closest to the monitor that is on. Here's the process: 1. Identify the monitor that is on: The monitor is the one with a visible screen showing a graphic design. 2. Identify the keyboard closest to this monitor: The keyboard is located directly in front of the monitor, on the desk. 3. Define the bounding box: The bounding box will cover the area of the keyboard that is closest to the monitor.
Answer: {"bbox_2d": [312, 167, 408, 207]}

Predicted bbox: [312, 167, 408, 207]

Ground truth: [310.0, 166.0, 369.0, 198.0]

Result: Incorrect

IoU: 0.4461

With CD

Generation Time: 10.72s

Thinking: The instruction asks for the bounding box of the keyboard closest to the monitor that is on. The monitor in the image is the one in the center, and the keyboard closest to it is the one located directly in front of it on the desk, not the one on the far left of the desk. 1. Identify the monitor: It is the central monitor in the setup. 2. Locate the keyboard closest to the monitor: The keyboard directly in front of the central monitor is the one closest to it.
Answer: {"bbox_2d": [311, 166, 409, 206]}

Predicted bbox: [311, 166, 409, 206]

Ground truth: [310.0, 166.0, 369.0, 198.0]

Result: Incorrect

IoU: 0.4696

Image

Dataset: refcocos_test

Caption: cow closest to the one sticking out tongue and doesn't have brown skin

Image: val2017/000000137576.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.28s

Thinking: The instruction asks for the bounding box of the cow closest to the one sticking out its tongue but does not have brown skin. In the image, the cow sticking out its tongue is black and white, and there is another cow next to it that is also black and white but positioned slightly further back. The cow closest to the one sticking out its tongue and not having brown skin is the one in the immediate foreground, to the left of the cow sticking out its tongue.
Answer: {"bbox_2d": [38, 180, 240, 367]}

Predicted bbox: [38, 180, 240, 367]

Ground truth: [0.0, 304.0, 121.0, 489.0]

Result: Incorrect

IoU: 0.0952

With CD

Generation Time: 11.19s

Thinking: The sentence "cow closest to the one sticking out tongue and doesn't have brown skin" seems to refer to the cow directly to the left of the cow with its tongue out. This cow has a predominantly black coat with a white stripe down its face, which is distinct from the brown and white coloration of the other cows in the image. The cow's position relative to the other cows and its distinct coloration makes it the cow closest to the one with its tongue out and does not have brown skin.
Answer: {"bbox_2d": [37, 180, 240, 355]}

Predicted bbox: [37, 180, 240, 355]

Ground truth: [0.0, 304.0, 121.0, 489.0]

Result: Incorrect

IoU: 0.0799

Image

Dataset: refcocos_test

Caption: the watermelon behind the one that is being held

Image: val2017/000000139099.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.39s

Thinking: The sentence "the watermelon behind the one that is being held" refers to the watermelon that is further away from the person holding the watermelon in their hand. It is located behind the person's hand, not in front of it. In the image, the watermelon being held is in the foreground, and there is another watermelon partially visible behind it.
Answer: {"bbox_2d": [59, 348, 205, 401]}

Predicted bbox: [59, 348, 205, 401]

Ground truth: [43.0, 391.0, 182.0, 411.0]

Result: Incorrect

IoU: 0.1324

With CD

Generation Time: 12.99s

Thinking: The sentence "the watermelon behind the one that is being held" refers to a watermelon that is further away from the person holding the watermelon in the foreground. To identify this, we need to look for a watermelon in the image that is positioned behind the watermelon being held, but not necessarily directly behind it, as the one being held is closer to the viewer. 1. Identify the watermelon being held in the foreground. 2. Look for another watermelon in the image that is positioned further away from the viewer. 3. The watermelon behind the one being held is on the table to the left of the person in the white shirt.
Answer: {"bbox_2d": [64, 345, 211, 404]}

Predicted bbox: [64, 345, 211, 404]

Ground truth: [43.0, 391.0, 182.0, 411.0]

Result: Incorrect

IoU: 0.1547

Image

Dataset: refcocos_test

Caption: third biggest decoration on left wall

Image: val2017/000000139684.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.83s

Thinking: The task is to identify the third biggest decoration on the left wall. To do this, I'll first identify all the decorations on the left wall: 1. A round mirror. 2. A framed picture. 3. Another framed picture. 4. Another framed picture. The third biggest decoration is the second framed picture from the left.
Answer: {"bbox_2d": [86, 15, 111, 68]}

Predicted bbox: [86, 15, 111, 68]

Ground truth: [86.0, 18.0, 110.0, 70.0]

Result: Correct

IoU: 0.8740

With CD

Generation Time: 14.42s

Thinking: To determine the bounding box of the third biggest decoration on the left wall, I need to follow these steps: 1. Identify the decorations on the left wall. 2. Rank them in order of size from largest to smallest. 3. Identify the third largest decoration. The left wall has the following decorations: - A large circular mirror near the top left. - A framed picture below the mirror. - A smaller framed picture to the right of the mirror. - Another framed picture below the smaller one. The ranking from largest to smallest would be: 1. The circular mirror. 2. The framed picture below the mirror. 3. The smaller framed picture to the right of the mirror. 4. The framed picture below the smaller one. The third largest decoration is the smaller framed picture to the right of the mirror.
Answer: {"bbox_2d": [84, 17, 111, 70]}

Predicted bbox: [84, 17, 111, 70]

Ground truth: [86.0, 18.0, 110.0, 70.0]

Result: Correct

IoU: 0.8721

Image

Dataset: refcocos_test

Caption: object under the wrench

Image: val2017/000000140556.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.00s

Thinking: The sentence "object under the wrench" does not provide enough context to determine which object in the image it is referring to. The image shows four individuals wearing safety vests and hard hats, and there is a yellow fire hydrant in the foreground. There is no visible wrench or object under it in the image.
Answer: {"bbox_2d": [313, 233, 497, 448]}

Predicted bbox: [313, 233, 497, 448]

Ground truth: [389.0, 244.0, 487.0, 456.0]

Result: Incorrect

IoU: 0.4955

With CD

Generation Time: 9.41s

Thinking: The sentence "object under the wrench" seems to be referring to the part of the scene where the wrench is being used, which is likely a fire hydrant or a similar object. However, the sentence is somewhat ambiguous as it does not specify the exact object. Since the image shows a yellow fire hydrant with a wrench, it's reasonable to assume that the wrench is being used on this hydrant.
Answer: {"bbox_2d": [327, 237, 497, 442]}

Predicted bbox: [327, 237, 497, 442]

Ground truth: [389.0, 244.0, 487.0, 456.0]

Result: Correct

IoU: 0.5357

Image

Dataset: refcocos_test

Caption: object being cut by lady in middle

Image: val2017/000000140640.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.62s

Thinking: The sentence "object being cut by lady in middle" refers to the cake being sliced by the woman in the middle, as she is actively cutting it. The bounding box for this object would be the area where the cake is located and the knife is positioned.
Answer: {"bbox_2d": [426, 356, 591, 415]}

Predicted bbox: [426, 356, 591, 415]

Ground truth: [463.0, 367.0, 593.0, 423.0]

Result: Correct

IoU: 0.5652

With CD

Generation Time: 8.24s

Thinking: The task is to identify the bounding box of the object being cut by the lady in the middle. To do this, I need to focus on the cake, which is the main object being cut by the knife held by the lady in the middle. The cake is located to her right, and the knife is positioned over it.
Answer: {"bbox_2d": [433, 355, 593, 414]}

Predicted bbox: [433, 355, 593, 414]

Ground truth: [463.0, 367.0, 593.0, 423.0]

Result: Correct

IoU: 0.5759

Image

Dataset: refcocos_test

Caption: the kite on the left of english flag

Image: val2017/000000140840.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.90s

Thinking: The sentence "the kite on the left of english flag" implies a specific position relative to the English flag. The English flag is typically red, white, and blue, and it's located in the image among other colorful kites. The kite to the left of the English flag would be the one immediately adjacent to its left side.
Answer: {"bbox_2d": [218, 169, 288, 251]}

Predicted bbox: [218, 169, 288, 251]

Ground truth: [138.0, 175.0, 199.0, 238.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 12.00s

Thinking: The task is to identify the bounding box of the kite on the left of the English flag, which is the kite that is positioned to the left of the kite with the Union Jack design. Here's how I determined this: 1. Identify the English flag (Union Jack): It is the kite with the red, white, and blue colors in a cross pattern. 2. Locate the kite to the left of this flag: It is the kite with a white background and a red symbol resembling a flame or a stylized letter "X". The bounding box for this kite is the area that encompasses the entire kite, including its tail.
Answer: {"bbox_2d": [212, 164, 292, 248]}

Predicted bbox: [212, 164, 292, 248]

Ground truth: [138.0, 175.0, 199.0, 238.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the person not on the same side as man with hat

Image: val2017/000000115870.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.07s

Thinking: The sentence "the person not on the same side as man with hat" refers to a person who is not standing next to the man wearing a hat. In the image, there is a man in a yellow shirt and a woman in a purple shirt sitting on the left side, and the man with the hat is standing in the middle. The person on the right side, who is seated, does not fit the description as he is on the same side as the man with the hat. Therefore, the person not on the same side as the man with the hat is the seated man on the right.
Answer: {"bbox_2d": [189, 240, 623, 416]}

Predicted bbox: [189, 240, 623, 416]

Ground truth: [273.0, 103.0, 333.0, 181.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 12.86s

Thinking: The instruction asks to identify the bounding box of the person not on the same side as the man with the hat. The man with the hat is standing, and the other man is sitting on the couch, which means the person not on the same side is the person sitting on the couch who is facing the other way. 1. Identify the man with the hat: He is standing and facing towards the back of the room. 2. Identify the other man: He is sitting on the couch and facing the other direction. 3. The person not on the same side is the one sitting on the couch, facing the opposite direction from the man with the hat.
Answer: {"bbox_2d": [26, 181, 109, 296]}

Predicted bbox: [26, 181, 109, 296]

Ground truth: [273.0, 103.0, 333.0, 181.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: person who is on a bicycle but not riding it

Image: val2017/000000142324.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.65s

Thinking: The task is to identify the bounding box of a person who is on a bicycle but not actively riding it. This suggests the person is either sitting on the bicycle or standing beside it in a non-riding position. The image shows a busy street with various people and bicycles. The person in the center background, near the bicycles, appears to be standing beside a bicycle, not actively riding it.
Answer: {"bbox_2d": [199, 170, 262, 333]}

Predicted bbox: [199, 170, 262, 333]

Ground truth: [284.0, 194.0, 330.0, 291.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.67s

Thinking: The sentence "person who is on a bicycle but not riding it" implies a person sitting on a bicycle but not actively pedaling or moving. In the image, there is a person on a bicycle in the middle of the street, but it's not clear if this person is actively riding or not. However, the person's posture and the position of the bicycle suggest they might be waiting or about to start riding.
Answer: {"bbox_2d": [203, 170, 261, 338]}

Predicted bbox: [203, 170, 261, 338]

Ground truth: [284.0, 194.0, 330.0, 291.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the cap of the portable stove

Image: val2017/000000142620.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.90s

Thinking: The sentence "the cap of the portable stove" seems to refer to a specific object in the image. In the image, there is a portable stove with a blue fuel canister, and the cap of the fuel canister is visible. The cap is likely the object being referred to in the sentence.
Answer: {"bbox_2d": [75, 289, 121, 352]}

Predicted bbox: [75, 289, 121, 352]

Ground truth: [41.0, 369.0, 101.0, 422.0]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 7.95s

Thinking: The task is to identify the bounding box of the cap of the portable stove. The image shows a portable stove with a blue base, and the cap is typically located on top of the base, which is usually a round, flat, and distinct object. The cap is located above the blue base of the stove.
Answer: {"bbox_2d": [76, 293, 121, 354]}

Predicted bbox: [76, 293, 121, 354]

Ground truth: [41.0, 369.0, 101.0, 422.0]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the man the woman with a translucent veil looking at

Image: val2017/000000143961.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.98s

Thinking: The sentence "the man the woman with a translucent veil looking at" seems to be referring to a specific interaction in the image. To identify this, we need to locate the woman with a translucent veil and determine who she is looking at. The woman with a translucent veil is located in the middle-left part of the image, and she is looking towards the left side of the frame. The man she is looking at is situated to her left, near the edge of the image.
Answer: {"bbox_2d": [0, 145, 73, 365]}

Predicted bbox: [0, 145, 73, 365]

Ground truth: [0.0, 138.0, 73.0, 325.0]

Result: Correct

IoU: 0.7930

With CD

Generation Time: 12.53s

Thinking: The instruction asks for the bounding box of the man the woman with a translucent veil is looking at. In the image, there's a woman with a translucent veil on the left side, and she is looking towards the center of the image. The man she's looking at is located to her left, but not directly in front of her. To find the bounding box of this man, I need to identify the area that encompasses the man she's looking at. 1. Identify the woman with the translucent veil. 2. Determine the direction she's looking at. 3. Identify the man in that direction. 4. Draw the bounding box around this man.
Answer: {"bbox_2d": [1, 144, 125, 352]}

Predicted bbox: [1, 144, 125, 352]

Ground truth: [0.0, 138.0, 73.0, 325.0]

Result: Incorrect

IoU: 0.4934

Image

Dataset: refcocos_test

Caption: person sitting at 3 o'clock position on picnic mat

Image: val2017/000000145597.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.01s

Thinking: The task is to identify the bounding box of the person sitting at 3 o'clock position on the picnic mat. The sentence describes the person sitting at this location, but the image shows five people sitting in a semi-circle, and it's not clear which one is at 3 o'clock. However, the person who is most to the right and appears to be interacting with the person in the middle is the one at 3 o'clock.
Answer: {"bbox_2d": [356, 125, 630, 476]}

Predicted bbox: [356, 125, 630, 476]

Ground truth: [480.0, 35.0, 639.0, 256.0]

Result: Incorrect

IoU: 0.1760

With CD

Generation Time: 10.05s

Thinking: The sentence "person sitting at 3 o'clock position on picnic mat" refers to a person sitting towards the right side of the image, near the edge of the picnic mat. This person appears to be wearing a white shirt and is partially visible, with their head turned to the left, possibly interacting with the person next to them. This person's position relative to the others suggests they are at the 3 o'clock position on the picnic mat.
Answer: {"bbox_2d": [555, 32, 644, 265]}

Predicted bbox: [555, 32, 644, 265]

Ground truth: [480.0, 35.0, 639.0, 256.0]

Result: Incorrect

IoU: 0.4975

Image

Dataset: refcocos_test

Caption: a bowl whose exterior is neither red nor white

Image: val2017/000000494869.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.33s

Thinking: The question asks for a bounding box of a bowl whose exterior is neither red nor white. The image contains a bowl on the counter, and it appears to have a green exterior. To determine this, I need to visually inspect the bowl and compare its color with the other options (red and white). The bowl in question does not match either of these colors.
Answer: {"bbox_2d": [337, 236, 377, 266]}

Predicted bbox: [337, 236, 377, 266]

Ground truth: [342.29, 236.85, 392.62, 265.01]

Result: Correct

IoU: 0.5960

With CD

Generation Time: 8.46s

Thinking: The instruction asks for a bounding box of a bowl whose exterior is neither red nor white. In the image, there are multiple bowls visible, but the one with a green exterior is the only one that fits the criteria as it is neither red nor white. The other bowls are either red or white, or their exteriors are not clearly visible.
Answer: {"bbox_2d": [334, 235, 381, 264]}

Predicted bbox: [334, 235, 381, 264]

Ground truth: [342.29, 236.85, 392.62, 265.01]

Result: Correct

IoU: 0.6077

Image

Dataset: refcocos_test

Caption: the person wearing sneakers that are not blue

Image: val2017/000000554002.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.62s

Thinking: The sentence "the person wearing sneakers that are not blue" refers to a person wearing sneakers that are not of the color blue. In the image, there are multiple people with various colored shoes, but the focus seems to be on a person wearing non-blue sneakers. The person wearing sneakers that are not blue appears to be the one with white sneakers, as they are not blue and are clearly visible in the image.
Answer: {"bbox_2d": [16, 0, 113, 252]}

Predicted bbox: [16, 0, 113, 252]

Ground truth: [19.14, 2.39, 109.12, 257.97]

Result: Correct

IoU: 0.8991

With CD

Generation Time: 9.02s

Thinking: The sentence "the person wearing sneakers that are not blue" refers to a person who is wearing sneakers that are not blue in color. In the image, there are multiple people standing, but only one person's sneakers are visible and they appear to be blue. Therefore, this sentence is not directly referring to any of the people in the image because none of them are wearing sneakers that are not blue.
Answer: {"bbox_2d": [21, 1, 116, 250]}

Predicted bbox: [21, 1, 116, 250]

Ground truth: [19.14, 2.39, 109.12, 257.97]

Result: Correct

IoU: 0.8787

Image

Dataset: refcocos_test

Caption: the car has a cat wearing a red scarf around its neck

Image: val2017/000000078823.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.25s

Thinking: The sentence "the car has a cat wearing a red scarf around its neck" seems to be incorrect. The image clearly shows a dog, not a cat, and the dog is wearing a red scarf, not a cat. The bounding box for the dog is likely around the entire dog, as it is the main subject of the image.
Answer: {"bbox_2d": [197, 118, 366, 339]}

Predicted bbox: [197, 118, 366, 339]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 8.33s

Thinking: The sentence "the car has a cat wearing a red scarf around its neck" does not align with the image provided. The image shows a dog, not a cat, and the dog is wearing a red scarf, not a cat. The dog is sitting on the roof of an Alfa Romeo car in a parking lot.
Answer: {"bbox_2d": [199, 118, 364, 336]}

Predicted bbox: [199, 118, 364, 336]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the knife that is neither held by anyone nor placed on the marble surface

Image: val2017/000000419974.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.82s

Thinking: The sentence describes a knife that is neither held by anyone nor placed on the marble surface. To locate this, I need to identify all the knives in the image and eliminate those that meet the criteria: 1. One knife is being held by the person in the black shirt. 2. Another knife is on the marble surface. 3. The remaining knife is the one that is neither held nor placed on the marble surface. The knife that is neither held nor placed on the marble surface is the one lying on the table in front of the person in the black shirt.
Answer: {"bbox_2d": [190, 461, 338, 528]}

Predicted bbox: [190, 461, 338, 528]

Ground truth: [130.09, 276.33, 146.09, 283.4]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 13.88s

Thinking: The question asks for the bounding box of a knife that is neither held by anyone nor placed on the marble surface. In the image, there are multiple knives visible. One knife is held by the person in the center, and another knife is on the marble surface. The knife that is neither held by anyone nor on the marble surface would be the one that is on the counter but not being used. 1. Identify all the knives in the image. 2. Determine which knife is held by someone. 3. Determine which knife is on the marble surface. 4. The remaining knife should be the one that is neither held nor on the marble surface. The knife on the counter but not being used is the one in question.
Answer: {"bbox_2d": [189, 457, 343, 526]}

Predicted bbox: [189, 457, 343, 526]

Ground truth: [130.09, 276.33, 146.09, 283.4]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the bicycle being ridden by a person holding a dog

Image: val2017/000000424162.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.36s

Thinking: The sentence describes a person holding a dog, which indicates that the dog is on a leash and the person is likely holding it while walking or riding a bike. The bounding box for the bicycle being ridden by this person should include the part of the bicycle that the person is holding or standing near, as well as the person themselves. The bounding box for the bicycle being ridden by the person holding the dog would include the front part of the bicycle, the person's body, and the dog.
Answer: {"bbox_2d": [318, 209, 451, 473]}

Predicted bbox: [318, 209, 451, 473]

Ground truth: [305.56, 230.39, 422.68, 474.33]

Result: Correct

IoU: 0.6633

With CD

Generation Time: 11.86s

Thinking: The task is to identify the bounding box of the bicycle that the person holding the dog is riding. The sentence "the bicycle being ridden by a person holding a dog" indicates that the person holding the dog is the one riding the bicycle. The person is standing next to the bicycle, and the dog is on a leash held by this person, suggesting that the person is riding the bicycle. 1. Identify the person holding the dog: The person is standing next to the bicycle. 2. Identify the bicycle: The bicycle is the one the person is standing next to.
Answer: {"bbox_2d": [329, 228, 452, 471]}

Predicted bbox: [329, 228, 452, 471]

Ground truth: [305.56, 230.39, 422.68, 474.33]

Result: Correct

IoU: 0.6275

Image

Dataset: refcocos_test

Caption: the cup mounted on the wall, located in the second row from the top, at the leftmost position

Image: val2017/000000329219.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 7.28s

Thinking: The sentence "the cup mounted on the wall, located in the second row from the top, at the leftmost position" describes a specific object in the image. To locate this object, I need to identify the following: 1. The wall in question: The wall appears to be the left side of the kitchen where utensils are hanging. 2. The second row from the top: The top row is the topmost row of the wall where the utensils are hung. The second row would be below this. 3. The leftmost position: This means the object is on the far left of the second row. Considering these points, the cup in question is likely one of the cups hanging from the wall on the left side, positioned in the second row from the top.
Answer: {"bbox_2d": [105, 65, 132, 99]}

Predicted bbox: [105, 65, 132, 99]

Ground truth: [331.4, 80.38, 346.26, 97.16999999999999]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 14.31s

Thinking: The sentence describes a specific cup located on the wall, in the second row from the top, and at the leftmost position. To find this, we need to: 1. Identify the wall in the image. 2. Determine the rows of items on the wall. 3. Locate the second row from the top. 4. Identify the leftmost position in that row. 5. Confirm if the object in that position matches the description of a cup. The wall in the image is the one on the left side, above the blender. There are three rows of hanging items: a top row, a middle row, and a bottom row. The second row from the top is the middle row, and the leftmost item in this row appears to be a cup.
Answer: {"bbox_2d": [79, 56, 105, 98]}

Predicted bbox: [79, 56, 105, 98]

Ground truth: [331.4, 80.38, 346.26, 97.16999999999999]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the person in the car who is not sitting in the driver's seat

Image: val2017/000000067213.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.62s

Thinking: The task is to identify the person in the car who is not sitting in the driver's seat. In the image, there are two people visible in the car. The person in the driver's seat appears to be focused on the activity, while the other person, positioned behind the driver, is not in the driver's seat. This person is the one being referred to in the question.
Answer: {"bbox_2d": [365, 362, 402, 402]}

Predicted bbox: [365, 362, 402, 402]

Ground truth: [277.98, 371.09, 310.22, 409.37]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 11.60s

Thinking: The task is to identify the bounding box of the person in the car who is not sitting in the driver's seat. To do this, I need to look at the image and locate the car, then identify the person who is not the driver. The driver's seat is typically on the left side of the car in this context. 1. Identify the car in the image. 2. Look for the person who is not in the driver's seat. 3. The person in the passenger seat appears to be the one not in the driver's seat.
Answer: {"bbox_2d": [361, 358, 402, 402]}

Predicted bbox: [361, 358, 402, 402]

Ground truth: [277.98, 371.09, 310.22, 409.37]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the bench that a dog is sitting on

Image: val2017/000000061108.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.76s

Thinking: The instruction asks for the bounding box of the bench where the dog is sitting. The dog is clearly visible in the image, and it's sitting in a basket attached to the front of a bicycle. The basket is positioned on the front rack of the bicycle, which is mounted on a bench-like structure. The bench is part of a set of bleachers or a similar structure that is elevated and made of metal and wood.
Answer: {"bbox_2d": [0, 50, 275, 377]}

Predicted bbox: [0, 50, 275, 377]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 13.24s

Thinking: The image shows a bicycle with a basket containing a dog. The basket is located on the front of the bicycle, and the dog is visible inside it. To determine the bounding box of the bench the dog is sitting on, we need to identify the structure directly behind the basket where the dog is positioned. The dog is not physically on a bench, but the basket is placed in a spot that would correspond to a bench in this context. 1. Identify the basket containing the dog. 2. Determine the area directly behind the basket, which would be the bench. 3. The bounding box for the bench is the area where the dog would be sitting if it were on a bench.
Answer: {"bbox_2d": [1, 44, 275, 335]}

Predicted bbox: [1, 44, 275, 335]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the car located to the left of the car containing the dog

Image: val2017/000000365207.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.85s

Thinking: The sentence "the car located to the left of the car containing the dog" suggests identifying two cars: one with a dog sticking its head out of the window, and another car to the left of it. The dog is in the car on the right, as indicated by its head visible in the mirror's reflection. Therefore, the car to the left must be the one further away from the dog.
Answer: {"bbox_2d": [55, 245, 206, 464]}

Predicted bbox: [55, 245, 206, 464]

Ground truth: [69.7, 260.42, 211.63, 463.18]

Result: Correct

IoU: 0.8078

With CD

Generation Time: 13.60s

Thinking: The task is to identify the bounding box of the car located to the left of the car containing the dog. The dog is in the car on the right, and the left car can be identified by its position in the mirror and the presence of its side mirror, door, and part of its body visible in the reflection. 1. Identify the car containing the dog: It's the red car on the right. 2. Identify the left car: It's the black car visible to the left of the red car. 3. Determine the bounding box of the left car: The bounding box coordinates for the black car will be the area corresponding to its position in the mirror.
Answer: {"bbox_2d": [65, 245, 211, 461]}

Predicted bbox: [65, 245, 211, 461]

Ground truth: [69.7, 260.42, 211.63, 463.18]

Result: Correct

IoU: 0.8865

Image

Dataset: refcocos_test

Caption: the bicycle in the background positioned between the person wearing a black shirt and white pants and the person wearing a black-and-white patterned shirt and shorts, mostly obscured by other objects

Image: val2017/000000279278.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.68s

Thinking: The task is to identify the bounding box of a specific bicycle in the background based on the given description. The description specifies the bicycle's position relative to two people: one wearing a black shirt and white pants, and another wearing a black-and-white patterned shirt and shorts. This suggests the bicycle is partially visible and mostly obscured by other objects in the image. The bounding box coordinates need to be identified for this specific bicycle. The coordinates should be determined by locating the bicycle in the image, considering its position and the partial visibility due to other objects.
Answer: {"bbox_2d": [466, 26, 610, 142]}

Predicted bbox: [466, 26, 610, 142]

Ground truth: [334.76, 48.96, 365.2, 157.71]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 13.43s

Thinking: The task is to identify the bounding box of the bicycle in the background that is positioned between two people and is mostly obscured by other objects. Here's the step-by-step process to find this: 1. Identify the person in the black shirt and white pants, as well as the person in the black-and-white patterned shirt and shorts. 2. Locate the bicycle that is positioned behind these two individuals and partially obscured by them. 3. Determine the bounding box for this bicycle, considering it is mostly obscured but identifiable from the context. The bounding box for the bicycle in the background should be such that it covers the part of the bicycle that is not obscured by the people in front of it.
Answer: {"bbox_2d": [448, 38, 533, 148]}

Predicted bbox: [448, 38, 533, 148]

Ground truth: [334.76, 48.96, 365.2, 157.71]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the second hanging potted plant from the right

Image: val2017/000000482100.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.33s

Thinking: The instruction asks for the bounding box of the second hanging potted plant from the right. The image shows a row of hanging plants with a white cage-like structure in the center and various items on a table in front of a store window. The second hanging potted plant from the right is located between the white cage and the white hanging basket with a figurine on top.
Answer: {"bbox_2d": [335, 0, 370, 50]}

Predicted bbox: [335, 0, 370, 50]

Ground truth: [338.75, 0, 379.54, 39.27]

Result: Correct

IoU: 0.5776

With CD

Generation Time: 11.43s

Thinking: The task is to identify the bounding box of the second hanging potted plant from the right in the image. The image shows a display of various items, including hanging potted plants, bowls, and other objects. The plants are arranged in a row from right to left, and the second plant from the right is the one positioned second from the right side of the image. 1. Identify the rightmost plant as the first. 2. Identify the second plant from the right. 3. The second plant from the right is the one next to the rightmost plant.
Answer: {"bbox_2d": [337, 1, 373, 42]}

Predicted bbox: [337, 1, 373, 42]

Ground truth: [338.75, 0, 379.54, 39.27]

Result: Correct

IoU: 0.7418

Image

Dataset: refcocos_test

Caption: a watermelon in a bowl placed centrally on the wooden countertop island

Image: val2017/000000540502.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.90s

Thinking: The sentence describes a watermelon in a bowl placed centrally on the wooden countertop island. To locate this object, we need to identify the wooden countertop island, which is the area in the center of the image with a wooden surface and a bowl on top. The watermelon is a specific item within this bowl. The bowl is positioned in the middle of the countertop, and the watermelon is the only fruit visible in it.
Answer: {"bbox_2d": [334, 198, 381, 227]}

Predicted bbox: [334, 198, 381, 227]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 11.45s

Thinking: The sentence "a watermelon in a bowl placed centrally on the wooden countertop island" describes a specific object in the image. The watermelon is located in a bowl, and it is centrally placed on the wooden countertop island. To determine the bounding box, we need to identify the bowl containing the watermelon and its position on the island. 1. Identify the wooden countertop island. 2. Locate the bowl containing the watermelon. 3. Determine the center of the bowl. 4. Define the bounding box around the bowl and watermelon.
Answer: {"bbox_2d": [337, 203, 385, 227]}

Predicted bbox: [337, 203, 385, 227]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the second knife from the top positioned in a knife block

Image: val2017/000000127182.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.46s

Thinking: The question asks for the bounding box of the second knife from the top positioned in a knife block. To identify this, we need to locate the knife block and determine which knife is second from the top within it. In the image, the knife block is on the far left side of the counter, and the knives are arranged vertically. The second knife from the top can be seen clearly.
Answer: {"bbox_2d": [28, 339, 41, 385]}

Predicted bbox: [28, 339, 41, 385]

Ground truth: [7.8, 342.05, 37.51, 371.61]

Result: Incorrect

IoU: 0.2352

With CD

Generation Time: 12.66s

Thinking: The task is to identify the bounding box of the second knife from the top positioned in a knife block. The knife block is typically located on the left side of the stove, and the knives are arranged vertically. The second knife from the top would be the one just below the topmost knife. 1. Identify the knife block area: The knife block is on the left side, just above the stove. 2. Identify the knives in the block: There are multiple knives in the block, and they are arranged vertically. 3. Count the knives: Starting from the top, the second knife from the top is the one just below the topmost knife.
Answer: {"bbox_2d": [1, 338, 42, 395]}

Predicted bbox: [1, 338, 42, 395]

Ground truth: [7.8, 342.05, 37.51, 371.61]

Result: Incorrect

IoU: 0.3758

Image

Dataset: refcocos_test

Caption: a red bowl that is not located on the top shelf of the right set of cabinets

Image: val2017/000000575970.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.74s

Thinking: The sentence describes a "red bowl that is not located on the top shelf of the right set of cabinets." This implies that the red bowl is in a lower shelf or on a different surface within the right set of cabinets, not on the top shelf. The top shelf is typically the highest shelf, so the red bowl must be in a shelf below it or on a surface that is not a shelf.
Answer: {"bbox_2d": [486, 108, 510, 124]}

Predicted bbox: [486, 108, 510, 124]

Ground truth: [276.5, 83.81, 296.74, 90.16]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 12.46s

Thinking: The task is to identify a red bowl that is not located on the top shelf of the right set of cabinets. Let's break down the image: 1. Identify the cabinets: The right set of cabinets is the set of shelves on the right side of the kitchen. 2. Identify the shelves: The top shelf of the right set of cabinets is the highest shelf. 3. Look for a red bowl: Check the top shelf and the other shelves below it for a red bowl. The sentence describes a red bowl that is not on the top shelf, which means it must be on one of the lower shelves.
Answer: {"bbox_2d": [489, 109, 512, 123]}

Predicted bbox: [489, 109, 512, 123]

Ground truth: [276.5, 83.81, 296.74, 90.16]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: a wine glass located on top of the stove

Image: val2017/000000226984.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.26s

Thinking: The instruction asks for a bounding box of a wine glass located on top of the stove. However, upon examining the image, there are no wine glasses on top of the stove. Instead, there are cooking utensils and other items on the counter. Since there is no wine glass to locate, I cannot provide a bounding box for the described object.
Answer: {"bbox_2d": [393, 191, 415, 213]}

Predicted bbox: [393, 191, 415, 213]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 7.96s

Thinking: The image shows a kitchen with various objects, but there are no wine glasses visible on the stove. The stove has a pot and a pan on it, and there are towels hanging on the oven door, but no wine glasses. The question might be referring to a specific location that isn't actually present in the image.
Answer: {"bbox_2d": [38, 218, 61, 296]}

Predicted bbox: [38, 218, 61, 296]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the chair close to the fruit and not next to the refrigerator

Image: val2017/000000037777.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.08s

Thinking: The image shows a kitchen with a dining table in the foreground. The fruit is on the table, and there are chairs around it. To determine the chair closest to the fruit but not next to the refrigerator, I need to identify the chairs and their positions relative to the fruit and the refrigerator. 1. The fruit is on the table in the foreground. 2. There are chairs on both sides of the table, but only one chair is close to the fruit. 3. The chair closest to the fruit is the one on the left side of the table. 4. The refrigerator is on the right side of the image, and the chair on the left is not next to it.
Answer: {"bbox_2d": [0, 198, 97, 252]}

Predicted bbox: [0, 198, 97, 252]

Ground truth: [116.5, 189.57, 166.5, 215.07]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 14.21s

Thinking: The task is to identify the chair close to the fruit and not next to the refrigerator. Here's the step-by-step reasoning: 1. Identify the fruit: The fruit is a bowl containing oranges and bananas, located on the table. 2. Identify the chairs: There are two chairs visible in the image, one on the left side of the table and one on the right side. 3. Determine the position of the chairs relative to the fruit: - The chair on the left side of the table is closer to the fruit. - The chair on the right side of the table is further from the fruit. 4. Determine which chair is not next to the refrigerator: The refrigerator is on the right side of the image, so the chair on the right side of the table is not next to it.
Answer: {"bbox_2d": [191, 168, 252, 252]}

Predicted bbox: [191, 168, 252, 252]

Ground truth: [116.5, 189.57, 166.5, 215.07]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the plant located between a yellow bottle and a blue bottle

Image: val2017/000000491216.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.38s

Thinking: The task is to identify the plant located between a yellow bottle and a blue bottle. First, I need to locate the yellow and blue bottles, then identify the plant positioned between them. From the image, the yellow bottle is on the left side of the window, and the blue bottle is on the right. The plant is directly between these two bottles.
Answer: {"bbox_2d": [270, 185, 301, 245]}

Predicted bbox: [270, 185, 301, 245]

Ground truth: [269.55, 180.58, 298.97, 243.18]

Result: Correct

IoU: 0.8360

With CD

Generation Time: 9.82s

Thinking: To determine the bounding box of the plant located between a yellow bottle and a blue bottle, I'll follow these steps: 1. Identify the yellow bottle and the blue bottle in the image. 2. Locate the plant that is positioned between these two bottles. 3. Define the bounding box around this plant. The yellow bottle is on the left side of the plant, and the blue bottle is on the right side of the plant.
Answer: {"bbox_2d": [269, 185, 304, 245]}

Predicted bbox: [269, 185, 304, 245]

Ground truth: [269.55, 180.58, 298.97, 243.18]

Result: Correct

IoU: 0.7675

Image

Dataset: refcocos_test

Caption: the plant that is neither hanging nor placed on a kitchen table

Image: val2017/000000136355.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.69s

Thinking: The image contains multiple plants, and we need to identify the one that is neither hanging nor placed on a kitchen table. The plant that is neither hanging nor on a kitchen table is the one placed on the kitchen table itself, which is the central focus of the image. The hanging plants are located in the window and on the shelf, and the plant on the table is placed on the table, not hanging.
Answer: {"bbox_2d": [455, 173, 534, 271]}

Predicted bbox: [455, 173, 534, 271]

Ground truth: [448.77, 175.76, 513.22, 298.76]

Result: Correct

IoU: 0.5477

With CD

Generation Time: 9.74s

Thinking: The image contains two hanging plants, one on the left side of the window and one on the right side, both in hanging pots. There is also a plant on the kitchen table, which is clearly visible. The sentence asks for a plant that is neither hanging nor placed on a kitchen table. The plant that fits this description is the one on the left side of the window, which is a hanging plant but not on a table.
Answer: {"bbox_2d": [455, 173, 530, 277]}

Predicted bbox: [455, 173, 530, 277]

Ground truth: [448.77, 175.76, 513.22, 298.76]

Result: Correct

IoU: 0.5994

Image

Dataset: refcocos_test

Caption: a cup on the middle shelf of the left wall, surrounded by wine glasses

Image: val2017/000000529568.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.09s

Thinking: The task is to identify the bounding box of a specific cup on the middle shelf of the left wall, surrounded by wine glasses. First, locate the middle shelf of the left wall. It is the second shelf from the top, as the top shelf is for plates and the bottom shelf is for mugs. Next, identify the area where wine glasses are present, which is on the left side of the middle shelf. The cup should be in the center of this area, surrounded by wine glasses.
Answer: {"bbox_2d": [20, 221, 130, 257], "label": "a cup on the middle shelf of the left wall, surrounded by wine glasses."}

Predicted bbox: [20, 221, 130, 257]

Ground truth: [66.71, 220.26, 82.78999999999999, 253.76999999999998]

Result: Incorrect

IoU: 0.1327

With CD

Generation Time: 13.18s

Thinking: The task is to identify a specific cup on the middle shelf of the left wall, surrounded by wine glasses. Here's the breakdown of the process: 1. Identify the left wall: The wall on the left side of the image, which has shelves. 2. Identify the middle shelf: The second shelf from the top on the left wall. 3. Identify the wine glasses: The wine glasses are on the middle shelf, to the left of the cups. 4. Identify the cups: The cups are on the middle shelf, to the right of the wine glasses. 5. Determine the bounding box: The bounding box should encompass the area where the cups are located.
Answer: {"bbox_2d": [67, 283, 127, 314]}

Predicted bbox: [67, 283, 127, 314]

Ground truth: [66.71, 220.26, 82.78999999999999, 253.76999999999998]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: a person wiping her face with a towel

Image: val2017/000000306733.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.33s

Thinking: The image depicts a bathroom setting with a sink, mirror, plants, and a shower. There are no people visible in the image, and the text overlay does not indicate any specific action or person. The sentence "a person wiping her face with a towel" is unrelated to the image content.
Answer: {"bbox_2d": [163, 172, 224, 303], "label": "a person wiping her face with a towel."}

Predicted bbox: [163, 172, 224, 303]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 8.81s

Thinking: The image shows a bathroom with a sink, a mirror, a shower, and a towel hanging on a rack. There is no person in the image, only inanimate objects like towels, a plant, and bathroom fixtures. The sentence "a person wiping her face with a towel" is not related to the image content because the image does not depict any human activity.
Answer: {"bbox_2d": [164, 173, 227, 305]}

Predicted bbox: [164, 173, 227, 305]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the smaller bowl that is yellow

Image: val2017/000000068833.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.94s

Thinking: The sentence "the smaller bowl that is yellow" likely refers to a yellow object of smaller size compared to others. In the image, there are two yellow baskets, but one is significantly smaller than the other. The smaller one is on the left side of the image, closer to the door.
Answer: {"bbox_2d": [315, 224, 337, 244]}

Predicted bbox: [315, 224, 337, 244]

Ground truth: [313.8, 228.19, 335.29, 247.14]

Result: Correct

IoU: 0.6093

With CD

Generation Time: 10.32s

Thinking: The sentence "the smaller bowl that is yellow" likely refers to a smaller, yellow bowl among multiple bowls in the scene. To determine the bounding box, I need to identify the yellow bowl and its position relative to the other objects. 1. Scan the image for yellow bowls. 2. Identify the smaller yellow bowl, which appears to be on the countertop to the right of the larger yellow bowl. 3. Locate the bounding box around this smaller yellow bowl.
Answer: {"bbox_2d": [316, 223, 337, 245]}

Predicted bbox: [316, 223, 337, 245]

Ground truth: [313.8, 228.19, 335.29, 247.14]

Result: Correct

IoU: 0.5950

Image

Dataset: refcocos_test

Caption: the figure of a person that has a solid-colored background that is not white

Image: val2017/000000149222.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.36s

Thinking: The instruction asks for the bounding box of a figure with a solid-colored background that is not white. In the image, there is a monitor displaying a webpage with a variety of colors and images, but there is no figure with a solid-colored background that is not white. The closest match might be the small image in the center of the left monitor, but it is not entirely solid-colored.
Answer: {"bbox_2d": [168, 84, 206, 112]}

Predicted bbox: [168, 84, 206, 112]

Ground truth: [236.11, 72.81, 248.48000000000002, 89.11]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 8.74s

Thinking: The sentence describes a figure of a person with a solid-colored background that is not white. In the image, there are two computer monitors, and on the left monitor, there is a section with the text "Learning" and an image of a person. The background of this image is not white; it appears to have a greenish-blue tint. This matches the description in the sentence.
Answer: {"bbox_2d": [139, 82, 205, 116]}

Predicted bbox: [139, 82, 205, 116]

Ground truth: [236.11, 72.81, 248.48000000000002, 89.11]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: a display screen that is not showing any content with red color

Image: val2017/000000361586.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.67s

Thinking: The task is to identify a specific display screen that is not showing any content with a red color. The image contains multiple displays, and we need to focus on one that fits the description. 1. The image has a variety of display screens. 2. The task specifies looking for a display screen with red color. 3. Upon examining the image, there is a display screen on the right side of the counter that appears to have a red background, but it's not displaying any content. 4. The other screens are either showing content or have a different background color.
Answer: {"bbox_2d": [442, 75, 493, 127]}

Predicted bbox: [442, 75, 493, 127]

Ground truth: [19.67, 133.25, 86.2, 211.82]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.28s

Thinking: The instruction asks to identify a "a display screen that is not showing any content with red color." In the image, there are multiple screens, but we need to determine which one fits this description. The screens with content are the ones showing "Tokyo Direct" and other information, which are not red. The screen in the top left corner appears to be blank and has a white background, which is not red.
Answer: {"bbox_2d": [25, 137, 104, 213]}

Predicted bbox: [25, 137, 104, 213]

Ground truth: [19.67, 133.25, 86.2, 211.82]

Result: Correct

IoU: 0.6883

Image

Dataset: refcocos_test

Caption: the bottle that is not empty and is located on the right side of the flower

Image: val2017/000000186632.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.37s

Thinking: The sentence "the bottle that is not empty and is located on the right side of the flower" refers to an object that is partially visible and seems to be a bottle or container, located to the right of a flower arrangement. However, in the image, there is no visible bottle that fits this description as it's not explicitly clear what the "bottle that is not empty" refers to, and there's no bottle that can be identified as being to the right of the flower arrangement.
Answer: {"bbox_2d": [396, 387, 439, 443]}

Predicted bbox: [396, 387, 439, 443]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 12.89s

Thinking: The task is to identify the bounding box of a specific bottle in the image. The sentence describes a bottle that is not empty and is located on the right side of a flower arrangement. This suggests we need to identify the bottle on the right side of the flower arrangement and ensure it's not empty. 1. Locate the flower arrangement in the image. 2. Identify the bottle on the right side of the flower arrangement. 3. Verify that the bottle is not empty. The flower arrangement is in the center of the image, and the bottle on the right side of it is a small, transparent bottle, likely containing soap or a similar liquid.
Answer: {"bbox_2d": [398, 385, 438, 440]}

Predicted bbox: [398, 385, 438, 440]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the third chair from the left at the dining table

Image: val2017/000000440475.jpg

$Image with bounding boxes$

Ground Truth Without CD With CD

Without CD

Generation Time: 6.11s

Thinking: The task is to identify the third chair from the left at the dining table. To do this, I'll focus on the dining table and count the chairs from the left side. The chairs are arranged around the table, and I'll look for the chair that is the third one in this sequence. 1. Identify the dining table. 2. Count the chairs from the left side. 3. The third chair from the left will be the one I need to locate. The chairs are arranged as follows (from left to right): chair 1, chair 2, chair 3, chair 4.
Answer: {"bbox_2d": [297, 287, 416, 385]}

Predicted bbox: [297, 287, 416, 385]

Ground truth: [444.5, 299.5, 542.71, 361.2]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.59s

Thinking: The sentence "the third chair from the left at the dining table" suggests we need to identify the third chair in a row of chairs at a dining table. The image shows a dining table with chairs around it. The chairs are arranged in a semi-circle around the table. To determine the correct chair, I'll count from the left side of the table. 1. The first chair from the left. 2. The second chair from the left. 3. The third chair from the left.
Answer: {"bbox_2d": [288, 291, 416, 391]}

Predicted bbox: [288, 291, 416, 391]

Ground truth: [444.5, 299.5, 542.71, 361.2]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: an orange cat sitting on the carpet watching tv

Image: val2017/000000240940.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.64s

Thinking: The image shows a cat sitting on the carpet in front of a television. The cat appears to be looking at the TV screen, but its fur is not orange; it is a tabby pattern with dark stripes on a lighter background. The sentence provided is misleading as it describes the cat's fur color as orange, which is not accurate based on the image.
Answer: {"bbox_2d": [115, 310, 214, 504], "label": "an orange cat sitting on the carpet watching tv."}

Predicted bbox: [115, 310, 214, 504]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 8.87s

Thinking: The sentence "an orange cat sitting on the carpet watching tv" describes a specific type of cat with a distinct color, but the cat in the image is not orange; it's a gray tabby cat. The cat is sitting on the carpet, facing a television, and appears to be focused on the screen. The sentence seems to be referring to a different cat, possibly in a different context.
Answer: {"bbox_2d": [116, 310, 210, 504]}

Predicted bbox: [116, 310, 210, 504]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the second bicycle that is laying on top of the motorcycle

Image: val2017/000000070774.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.40s

Thinking: The question asks for the bounding box of the second bicycle that is laying on top of the motorcycle. The image shows multiple bicycles stacked on top of a motorcycle, and the second one is clearly visible in the middle of the stack, positioned above the first bicycle. To locate the bounding box for this second bicycle, I need to identify the area that encompasses this specific bicycle.
Answer: {"bbox_2d": [295, 171, 506, 275]}

Predicted bbox: [295, 171, 506, 275]

Ground truth: [261.38, 173.6, 506.79999999999995, 223.64999999999998]

Result: Incorrect

IoU: 0.4462

With CD

Generation Time: 9.75s

Thinking: The sentence "the second bicycle that is laying on top of the motorcycle" refers to a bicycle that is positioned above the first bicycle on the motorcycle. In the image, there are two bicycles stacked on the back of the motorcycle. The question is asking for the second bicycle, which would be the one that is further back and slightly above the first bicycle.
Answer: {"bbox_2d": [277, 154, 505, 235], "label": "the second bicycle that is laying on top of the motorcycle"}

Predicted bbox: [277, 154, 505, 235]

Ground truth: [261.38, 173.6, 506.79999999999995, 223.64999999999998]

Result: Correct

IoU: 0.5900

Image

Dataset: refcocos_test

Caption: the white pigeon burying its head inside the bread

Image: val2017/000000123585.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.79s

Thinking: The instruction asks to identify the white pigeon burying its head inside the bread. The phrase "white pigeon" might be a bit misleading as pigeons are generally gray, but there is a white pigeon in the image that appears to be interacting with the bread. The sentence describes the pigeon's action of burying its head inside the bread, which aligns with the pigeon in the foreground that is indeed doing this.
Answer: {"bbox_2d": [205, 205, 305, 443]}

Predicted bbox: [205, 205, 305, 443]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 12.97s

Thinking: The task is to identify the bounding box of the white pigeon that is burying its head inside the bread. In the image, there is a pigeon with its head inside a bread, and it appears to be a white pigeon based on its coloration. The bounding box for this pigeon should include the head and the neck area, as the rest of the body is not visible due to the bread covering it. 1. Identify the pigeon with the head inside the bread. 2. Observe the coloration of the pigeon to confirm it's white. 3. Draw the bounding box around the visible part of the pigeon, including the head and neck.
Answer: {"bbox_2d": [209, 205, 301, 388]}

Predicted bbox: [209, 205, 301, 388]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the car that is neither blue nor on the left side of the road and does not have a cat on it

Image: val2017/000000466156.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.23s

Thinking: The image contains a car with a cat on the engine, but the question asks for the car that is neither blue nor on the left side of the road and does not have a cat on it. Since the car with the cat is the one in focus, and it's not blue, the other car visible in the background must be the one that fits the criteria. The car in the background is blue and not on the left side of the road, so it matches the description of the car the question is asking for.
Answer: {"bbox_2d": [274, 36, 319, 53]}

Predicted bbox: [274, 36, 319, 53]

Ground truth: [274.28, 32.03, 291.21, 40.57]

Result: Incorrect

IoU: 0.0930

With CD

Generation Time: 12.84s

Thinking: The task is to identify the bounding box of a car that meets the following criteria: 1. It is neither blue. 2. It is not on the left side of the road. 3. It does not have a cat on it. In the image: - The car on the left side of the road is blue and has a cat on it, so it does not meet the criteria. - The car in the background, which is neither blue nor on the left side of the road, does not have a cat on it, and thus meets all the criteria. The bounding box for this car is located in the background, to the right of the car with the cat on it.
Answer: {"bbox_2d": [246, 29, 271, 44]}

Predicted bbox: [246, 29, 271, 44]

Ground truth: [274.28, 32.03, 291.21, 40.57]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the car whose license plate number begins with a digit other than one

Image: val2017/000000172330.jpg

$Image with bounding boxes$

Ground Truth Without CD With CD

Without CD

Generation Time: 8.51s

Thinking: The sentence describes a car whose license plate number begins with a digit other than one. To identify this, I need to examine the license plates of the cars visible in the image and determine which one starts with a digit other than one. 1. The car on the left has a license plate that starts with "VD-13180", which begins with a 1. 2. The car in the middle has a license plate that starts with "VD-526200", which begins with a 5. 3. The car on the right has a license plate that starts with "VD-526200", which begins with a 5. Since the car in the middle and the one on the right both start with a 5, they both fit the description. However, the question asks for the first car with this characteristic, so the answer will be the one on the right.
Answer: {"bbox_2d": [475, 82, 644, 371]}

Predicted bbox: [475, 82, 644, 371]

Ground truth: [471.74, 79.74, 637.94, 384.26]

Result: Correct

IoU: 0.8993

With CD

Generation Time: 10.87s

Thinking: The sentence "the car whose license plate number begins with a digit other than one" refers to a car with a license plate that starts with a digit other than "1". In the image, there are two cars visible, and their license plates are partially visible. The plate on the left car starts with "VD-13180", which begins with a "1". The plate on the right car starts with "VD-526200", which begins with a "5".
Answer: {"bbox_2d": [477, 79, 644, 362]}

Predicted bbox: [477, 79, 644, 362]

Ground truth: [471.74, 79.74, 637.94, 384.26]

Result: Correct

IoU: 0.8662

Image

Dataset: refcocos_test

Caption: the second cup next to the red tube

Image: val2017/000000227044.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.04s

Thinking: The instruction asks for the bounding box of the "second cup next to the red tube." To locate this, we need to identify the red tube first, which is typically a bottle with a red label. Next, we should find the second cup in sequence from that tube. Since the image shows a shelf with multiple items, the red tube appears to be near the center. The second cup from this perspective is the one immediately to the left of the red tube.
Answer: {"bbox_2d": [197, 0, 261, 39]}

Predicted bbox: [197, 0, 261, 39]

Ground truth: [114.34, 0, 174.74, 43.15]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.32s

Thinking: The sentence "the second cup next to the red tube" refers to a specific object in the image. The red tube is likely the red bottle in the background, and the second cup would be the one next to it. In the image, there is a red bottle (likely a tube) on the shelf, and to its left, there is another object that could be interpreted as a cup or container.
Answer: {"bbox_2d": [196, 0, 262, 38]}

Predicted bbox: [196, 0, 262, 38]

Ground truth: [114.34, 0, 174.74, 43.15]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the person who is wearing green clothing and is next to the woman wearing a purple shirt

Image: val2017/000000176857.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.36s

Thinking: To determine the bounding box of the person who is wearing green clothing and is next to the woman wearing a purple shirt, I need to identify the woman in the purple shirt first. Then, I need to find the person next to her and check if they are wearing green clothing. 1. Identify the woman in the purple shirt: She is wearing a purple shirt and is located near the center of the image. 2. Look for the person next to her: The person next to her appears to be wearing green clothing. 3. Confirm the bounding box: The bounding box for the person wearing green clothing is likely to be adjacent to the bounding box of the woman in the purple shirt.
Answer: {"bbox_2d": [146, 10, 176, 72]}

Predicted bbox: [146, 10, 176, 72]

Ground truth: [145.04, 11.4, 175.32, 75.97]

Result: Correct

IoU: 0.8717

With CD

Generation Time: 10.99s

Thinking: The sentence "the person who is wearing green clothing and is next to the woman wearing a purple shirt" describes a specific individual in the image. To identify this person, we need to locate the woman in the purple shirt and then find the person next to her who is wearing green clothing. 1. Identify the woman in the purple shirt: She is located towards the center of the image, wearing a purple shirt and jeans. 2. Look for the person next to her: The person next to her, wearing green clothing, is positioned slightly to her left.
Answer: {"bbox_2d": [151, 14, 176, 76]}

Predicted bbox: [151, 14, 176, 76]

Ground truth: [145.04, 11.4, 175.32, 75.97]

Result: Correct

IoU: 0.7543

Image

Dataset: refcocos_test

Caption: the horse that is not brown and is facing away from the car

Image: val2017/000000017178.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.64s

Thinking: The image shows a road with horses and a car. The horses are of different colors: one is brown and the other is black. The black horse is facing the car, while the brown horse is facing away from the car. The sentence asks for the bounding box of the horse that is not brown and is facing away from the car. 1. Identify the horses: One is brown and facing away from the car, the other is black and facing the car. 2. The sentence specifies the horse that is not brown and facing away from the car, which is the black horse. 3. The bounding box for the black horse is the area surrounding the black horse in the image.
Answer: {"bbox_2d": [372, 167, 436, 262]}

Predicted bbox: [372, 167, 436, 262]

Ground truth: [374.97, 173.6, 433.33000000000004, 267.26]

Result: Correct

IoU: 0.8077

With CD

Generation Time: 10.11s

Thinking: The sentence "the horse that is not brown and is facing away from the car" refers to a specific horse in the image. The horses in the image are: 1. Two brown horses facing the car. 2. One dark horse facing the car. 3. One horse in the background that is not brown and is facing away from the car. The horse in the background that is not brown and is facing away from the car is the one in question.
Answer: {"bbox_2d": [458, 165, 515, 206]}

Predicted bbox: [458, 165, 515, 206]

Ground truth: [374.97, 173.6, 433.33000000000004, 267.26]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the silver car that is on the front left side of the horse

Image: val2017/000000368335.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.90s

Thinking: The sentence "the silver car that is on the front left side of the horse" describes a car that is positioned in front of the horse and to the left side of it. To identify this car, we need to look for a car that is closer to the horse's front and left side. The car in the front left side of the image is a silver one, as it is positioned in front of the horse and to the left.
Answer: {"bbox_2d": [58, 187, 162, 317]}

Predicted bbox: [58, 187, 162, 317]

Ground truth: [75.52, 209.12, 165.68, 326.19]

Result: Correct

IoU: 0.6327

With CD

Generation Time: 13.52s

Thinking: The sentence "the silver car that is on the front left side of the horse" describes a car that is positioned to the left of the horse and closer to the viewer than the other cars. Given the positioning of the vehicles in the image, the car on the left side of the horse is the silver car in front of the horse. 1. Identify the horse: The horse is in the center of the image, facing away from the viewer. 2. Identify the cars: There are multiple cars, but the one on the left side of the horse and closer to the viewer is the silver car. 3. Confirm the position: The silver car is indeed on the front left side of the horse.
Answer: {"bbox_2d": [44, 187, 166, 324]}

Predicted bbox: [44, 187, 166, 324]

Ground truth: [75.52, 209.12, 165.68, 326.19]

Result: Correct

IoU: 0.6125

Image

Dataset: refcocos_test

Caption: the person wearing a blue shirt walking behind the blue and white bus

Image: val2017/000000367680.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.44s

Thinking: The sentence describes a person wearing a blue shirt walking behind the blue and white bus. To locate this, I need to identify the blue and white bus in the image and then find a person wearing a blue shirt walking behind it. Observing the image, I can see a blue and white bus, and behind it, there is a person wearing a blue shirt walking. This matches the description in the sentence.
Answer: {"bbox_2d": [202, 153, 214, 180]}

Predicted bbox: [202, 153, 214, 180]

Ground truth: [236.2, 150.47, 250.04999999999998, 197.09]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.38s

Thinking: The task is to identify the bounding box of the person wearing a blue shirt walking behind the blue and white bus. To achieve this, I'll follow these steps: 1. Identify the blue and white bus in the image. 2. Locate the person behind the bus, who is wearing a blue shirt. 3. Draw the bounding box around this person. The bus is located towards the left side of the image, and the person wearing a blue shirt is walking behind it, slightly to the right of the bus.
Answer: {"bbox_2d": [234, 150, 249, 193]}

Predicted bbox: [234, 150, 249, 193]

Ground truth: [236.2, 150.47, 250.04999999999998, 197.09]

Result: Correct

IoU: 0.7294

Image

Dataset: refcocos_test

Caption: the horse that is not facing the camera and does not have a white tail

Image: val2017/000000234807.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.72s

Thinking: The sentence describes a horse that is not facing the camera and does not have a white tail. In the image, there are two horses visible. One horse is facing the camera, and it has a white tail. The other horse is facing away from the camera and does not have a white tail. Based on this analysis, the horse that matches the description is the one that is facing away from the camera.
Answer: {"bbox_2d": [133, 214, 220, 399]}

Predicted bbox: [133, 214, 220, 399]

Ground truth: [3.17, 238.5, 86.94, 291.1]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 13.11s

Thinking: The sentence describes a horse that is not facing the camera and does not have a white tail. In the image, there are two horses visible. The horse on the left is facing away from the camera and does not have a white tail. The horse on the right is facing the camera and has a white tail. 1. Identify the horses: There are two horses in the image. 2. Determine the orientation: The horse on the left is not facing the camera, and the horse on the right is facing the camera. 3. Check for the white tail: The horse on the left does not have a white tail, while the horse on the right does.
Answer: {"bbox_2d": [131, 215, 217, 395]}

Predicted bbox: [131, 215, 217, 395]

Ground truth: [3.17, 238.5, 86.94, 291.1]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the rider that is not wearing red or black helmet

Image: val2017/000000507975.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.26s

Thinking: The sentence "the rider that is not wearing red or black helmet" describes a rider wearing a white helmet. In the image, there are three horses and their riders, with one wearing a red helmet, one wearing a black helmet, and one wearing a white helmet. The rider in the white helmet is not wearing a red or black helmet.
Answer: {"bbox_2d": [320, 24, 456, 145]}

Predicted bbox: [320, 24, 456, 145]

Ground truth: [361.96, 23.07, 451.36, 101.44]

Result: Incorrect

IoU: 0.4186

With CD

Generation Time: 10.30s

Thinking: The sentence describes a rider who is not wearing a red or black helmet. In the image, there are three horses with riders, and two of the helmets are red and black. The third helmet is white, which does not match the description in the sentence. Therefore, the rider with the white helmet should be identified. 1. Identify the helmets in the image. 2. Compare the helmets to the description in the sentence. 3. Determine which rider fits the description.
Answer: {"bbox_2d": [346, 26, 455, 124]}

Predicted bbox: [346, 26, 455, 124]

Ground truth: [361.96, 23.07, 451.36, 101.44]

Result: Correct

IoU: 0.6163

Image

Dataset: refcocos_test

Caption: the person who is holding a camera and carrying a green bag

Image: val2017/000000338304.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.94s

Thinking: The question asks for the bounding box of a person holding a camera and carrying a green bag. In the image, there's a person in the foreground on the left side, wearing a white shirt and holding a camera. Additionally, there is a green bag in their left hand. This matches the description in the question.
Answer: {"bbox_2d": [1, 306, 91, 604]}

Predicted bbox: [1, 306, 91, 604]

Ground truth: [0.42, 298.6, 101.52, 488.25]

Result: Correct

IoU: 0.5543

With CD

Generation Time: 10.44s

Thinking: The task is to identify the bounding box of the person holding a camera and carrying a green bag. Here's the reasoning: 1. The person holding a camera is likely to be in the foreground, as they are the focus of the image. 2. The green bag is visible in the person's hand, which helps to identify them. 3. The bounding box should encompass the entire body of the person. 4. The person is on the left side of the image, partially visible.
Answer: {"bbox_2d": [13, 308, 105, 490]}

Predicted bbox: [13, 308, 105, 490]

Ground truth: [0.42, 298.6, 101.52, 488.25]

Result: Correct

IoU: 0.7993

Image

Dataset: refcocos_test

Caption: the traffic light with an arrow that is not pointing to the right

Image: val2017/000000555050.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.73s

Thinking: The sentence describes a traffic light with an arrow that is not pointing to the right. This means we need to identify the traffic light that does not have a right-pointing arrow. In the image, there are two traffic lights visible, one on the left side of the image and one on the right side of the image. The traffic light on the left side has a straight-up arrow, while the traffic light on the right side has an arrow pointing to the right.
Answer: {"bbox_2d": [2, 52, 42, 157]}

Predicted bbox: [2, 52, 42, 157]

Ground truth: [5.1, 50.72, 36.13, 132.82999999999998]

Result: Correct

IoU: 0.5916

With CD

Generation Time: 9.64s

Thinking: The sentence "the traffic light with an arrow that is not pointing to the right" implies that there is a traffic light with an arrow pointing in a direction other than right. In the image, there are two traffic lights visible. One is on the left side of the image and has a white arrow pointing upwards, which is not pointing to the right. The other traffic light is on the right side and has an arrow pointing to the right, which does not match the sentence.
Answer: {"bbox_2d": [0, 50, 40, 147]}

Predicted bbox: [0, 50, 40, 147]

Ground truth: [5.1, 50.72, 36.13, 132.82999999999998]

Result: Correct

IoU: 0.6567

Image

Dataset: refcocos_test

Caption: the second cow next to the cow with the least amount of brown

Image: val2017/000000206135.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.43s

Thinking: To identify the region described by the sentence "the second cow next to the cow with the least amount of brown," we need to follow these steps: 1. Identify the cow with the least amount of brown. This cow appears to be the one on the far right, as it has the least visible brown coloration. 2. Identify the cow next to this cow. This would be the cow on the second right. 3. Determine the bounding box for this second cow. The cow with the least brown is the one on the far right. The second cow to its left would be the one second from the right. This cow has a significant amount of brown coloration on its body.
Answer: {"bbox_2d": [172, 303, 235, 442]}

Predicted bbox: [172, 303, 235, 442]

Ground truth: [172.18, 302.22, 233.89000000000001, 439.78000000000003]

Result: Correct

IoU: 0.9586

With CD

Generation Time: 11.41s

Thinking: The task is to identify the second cow next to the cow with the least amount of brown, and then provide its bounding box coordinates. Here's the step-by-step reasoning: 1. Identify the cow with the least amount of brown. It appears to be the cow on the far right, as it has the most white fur. 2. Identify the cow next to this cow, which is the one immediately to its left. 3. The bounding box for this second cow can be determined by visually inspecting the image and noting the coordinates of the cow next to the least brown cow.
Answer: {"bbox_2d": [178, 302, 237, 440]}

Predicted bbox: [178, 302, 237, 440]

Ground truth: [172.18, 302.22, 233.89000000000001, 439.78000000000003]

Result: Correct

IoU: 0.8597

Image

Dataset: refcocos_test

Caption: the bottle with a white top that is closest to the red bottle

Image: val2017/000000465129.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.25s

Thinking: The task is to identify the bottle with a white top closest to the red bottle. First, I need to locate the red bottle, which is near the sink. Then, I need to find the bottle with a white top that is closest to it. The red bottle is clearly visible on the counter near the sink, and the bottle with a white top is next to it. The bottle with the white top is on the far right of the image, next to the sink.
Answer: {"bbox_2d": [546, 328, 563, 365]}

Predicted bbox: [546, 328, 563, 365]

Ground truth: [543.74, 335.07, 560.86, 366.53]

Result: Correct

IoU: 0.6153

With CD

Generation Time: 10.95s

Thinking: The question asks for the bounding box of the bottle with a white top that is closest to the red bottle. In the image, there are two bottles near the sink area: one with a white top and another with a red top. The bottle with the white top is positioned to the left of the red bottle. 1. Identify the red bottle. 2. Identify the bottle with the white top. 3. Determine the distance between the two bottles. 4. Identify which bottle is closer to the red bottle.
Answer: {"bbox_2d": [550, 325, 565, 362]}

Predicted bbox: [550, 325, 565, 362]

Ground truth: [543.74, 335.07, 560.86, 366.53]

Result: Incorrect

IoU: 0.3651

Image

Dataset: refcocos_test

Caption: the bottle that is not foil-wrapped and is located on the first shelf from the top

Image: val2017/000000506310.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.67s

Thinking: The task is to identify the bottle that is not foil-wrapped and is located on the first shelf from the top. Here's the step-by-step reasoning: 1. Identify the shelves: The image shows three shelves, and the topmost shelf is where the bottles are placed. 2. Identify the bottles: There are two bottles on the top shelf, one on the left and one on the right. 3. Determine the wrapping: The bottle on the left appears to be wrapped in foil, while the bottle on the right does not have visible foil wrapping. Based on this analysis, the bottle on the right is the one that is not foil-wrapped and is on the first shelf from the top.
Answer: {"bbox_2d": [34, 87, 92, 218]}

Predicted bbox: [34, 87, 92, 218]

Ground truth: [1.46, 76.32, 39.76, 241.29]

Result: Incorrect

IoU: 0.0573

With CD

Generation Time: 12.32s

Thinking: The task is to identify the bounding box of the bottle that is not foil-wrapped and is located on the first shelf from the top. Here's the process: 1. Identify the shelves in the image. The first shelf from the top contains several bottles. 2. Examine the bottles on the first shelf from the top. One bottle stands out as it does not have a foil wrapping. 3. The bottle without the foil wrapping is the one on the far left of the first shelf from the top. 4. The coordinates for this bottle are: (0, 75, 41, 232).
Answer: {"bbox_2d": [0, 78, 38, 233]}

Predicted bbox: [0, 78, 38, 233]

Ground truth: [1.46, 76.32, 39.76, 241.29]

Result: Correct

IoU: 0.8654

Image

Dataset: refcocos_test

Caption: the spinning chair that is closest to the wine bottle

Image: val2017/000000519569.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.30s

Thinking: The instruction asks for the bounding box of the spinning chair closest to the wine bottle. To locate this, we need to identify the wine bottle and then find the chair nearest to it. The wine bottle is positioned on the counter, and the chair closest to it appears to be the one with the curved back and armrests, directly facing the counter.
Answer: {"bbox_2d": [121, 392, 245, 619]}

Predicted bbox: [121, 392, 245, 619]

Ground truth: [126.4, 391.5, 248.52, 615.54]

Result: Correct

IoU: 0.9143

With CD

Generation Time: 13.87s

Thinking: The sentence "the spinning chair that is closest to the wine bottle" refers to a chair that is positioned near the wine bottle, which is on the countertop. In the image, there are two chairs visible, but one is closer to the wine bottle. The chair with the wine bottle in front of it is the one closer to the wine bottle. 1. Identify the wine bottle: It's on the countertop, slightly left of center. 2. Identify the chairs: There are two chairs, one with a curved back and one with a straight back. 3. Determine which chair is closest to the wine bottle: The chair with the curved back is closer to the wine bottle than the chair with the straight back.
Answer: {"bbox_2d": [124, 394, 243, 620]}

Predicted bbox: [124, 394, 243, 620]

Ground truth: [126.4, 391.5, 248.52, 615.54]

Result: Correct

IoU: 0.9089

Image

Dataset: refcocos_test

Caption: the man who is blow drying his hair using the hair drier

Image: val2017/000000178028.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.90s

Thinking: The sentence "the man who is blow drying his hair using the hair drier" does not match the image content. The image shows a bathroom with a sink, mirror, hairdryer, and towels, but there is no person present in the image. The sentence seems to be describing an action that is not visible in the image.
Answer: {"bbox_2d": [177, 2, 246, 86]}

Predicted bbox: [177, 2, 246, 86]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 7.25s

Thinking: The image does not contain a person. It is a photograph of a bathroom with a sink, countertop, and a hair dryer mounted on the wall. There is no indication of a person in the image.
Answer: {"bbox_2d": [177, 1, 237, 89], "label": "the man who is blow drying his hair using the hair drier."}

Predicted bbox: [177, 1, 237, 89]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the cup on the counter that is mostly covered

Image: val2017/000000290768.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.81s

Thinking: The sentence "the cup on the counter that is mostly covered" describes a cup that is partially hidden by other objects and is not fully visible. In the image, there are two cups on the counter, and one of them is partially obscured by a coffee pot and a roll of paper towels. The cup that is mostly covered is the one located to the left of the coffee pot and paper towels.
Answer: {"bbox_2d": [83, 192, 146, 267]}

Predicted bbox: [83, 192, 146, 267]

Ground truth: [152.34, 189.47, 170.51, 258.27]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.59s

Thinking: The sentence "the cup on the counter that is mostly covered" refers to a cup that is partially obscured by another object, likely another cup, and is located on the counter. In the image, there are two cups on the counter, but one is mostly covered by the other. The cup that is mostly covered is positioned to the left and appears to be partially hidden behind the other cup.
Answer: {"bbox_2d": [83, 195, 151, 269]}

Predicted bbox: [83, 195, 151, 269]

Ground truth: [152.34, 189.47, 170.51, 258.27]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the ceramic bowl that is empty

Image: val2017/000000182611.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.70s

Thinking: The question asks for the bounding box of the ceramic bowl that is empty. The image contains multiple bowls, but one appears to be empty and located towards the bottom right of the image. This bowl is distinct from the others as it does not contain any food.
Answer: {"bbox_2d": [316, 553, 416, 644]}

Predicted bbox: [316, 553, 416, 644]

Ground truth: [136.4, 537.44, 185.67000000000002, 581.34]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 8.32s

Thinking: The task is to identify the bounding box of the ceramic bowl that is empty. In the image, there are multiple bowls, but one appears to be empty and distinct from the others. This bowl is located at the bottom right of the image, and it has a blue rim and a white interior, indicating it's empty.
Answer: {"bbox_2d": [318, 560, 414, 644]}

Predicted bbox: [318, 560, 414, 644]

Ground truth: [136.4, 537.44, 185.67000000000002, 581.34]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the person that is not wearing a uniform and is blocked by the person who is wearing a hat

Image: val2017/000000228214.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.83s

Thinking: The image shows a person in a military uniform holding a phone and a water bottle. The uniform is distinctive, and the person is wearing a cap, suggesting they are likely a member of the U.S. Marine Corps. The background shows other people, but they are partially obscured by the person in the uniform. To find the bounding box of the person not wearing a uniform, I need to look for a figure that is partially visible behind the person in the uniform. The person in the background appears to be wearing casual clothing and is partially obscured by the uniformed individual.
Answer: {"bbox_2d": [304, 474, 420, 637]}

Predicted bbox: [304, 474, 420, 637]

Ground truth: [287.84, 475.7, 406.40999999999997, 640]

Result: Correct

IoU: 0.7553

With CD

Generation Time: 10.39s

Thinking: The image shows a person in a military uniform holding a phone and a water bottle. The background includes other people, but they are not clearly visible or distinct enough to identify. The question asks for the bounding box of a person who is not wearing a uniform and is blocked by the person in the uniform, but the person in the uniform is the only person clearly identifiable in the image. Therefore, the person in the background is not clearly defined and cannot be accurately identified or bounded.
Answer: {"bbox_2d": [292, 469, 420, 644]}

Predicted bbox: [292, 469, 420, 644]

Ground truth: [287.84, 475.7, 406.40999999999997, 640]

Result: Correct

IoU: 0.8143

Image

Dataset: refcocos_test

Caption: the first toothbrush from the right side that is not blue

Image: val2017/000000293390.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.76s

Thinking: The sentence "the first toothbrush from the right side that is not blue" is describing a specific toothbrush. However, the image provided does not show any toothbrushes. Instead, it displays a bathroom vanity with a sink, drawers, and a few items on the countertop. There are no toothbrushes present, so it is not possible to determine the bounding box for a toothbrush that isn't blue.
Answer: {"bbox_2d": [466, 2, 474, 53]}

Predicted bbox: [466, 2, 474, 53]

Ground truth: [494.62, 11.04, 502.18, 49.46]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 13.57s

Thinking: The sentence describes the "first toothbrush from the right side that is not blue." This implies we need to identify the first toothbrush on the right side of the image that is not blue. Here's the breakdown: 1. Identify the toothbrushes: There are two toothbrushes visible on the right side of the image. 2. Identify the colors: One toothbrush is blue, and the other is a lighter color. 3. Determine the order: The blue toothbrush is the second toothbrush from the right, and the other is the first toothbrush from the right. So, the first toothbrush from the right side that is not blue is the one that is not blue.
Answer: {"bbox_2d": [467, 10, 476, 47]}

Predicted bbox: [467, 10, 476, 47]

Ground truth: [494.62, 11.04, 502.18, 49.46]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the smallest bottle without a blue or green cap

Image: val2017/000000384808.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.97s

Thinking: The sentence "the smallest bottle without a blue or green cap" is asking for a specific bottle in the image, based on its size and color of the cap. The image shows several bottles with different sizes and cap colors, but it's important to identify the smallest bottle without a blue or green cap. 1. Identify all the bottles in the image. 2. Compare their sizes. 3. Identify the smallest bottle. 4. Check the cap color of the smallest bottle. 5. Ensure the cap color is neither blue nor green. After analyzing the image: - There are bottles of different sizes. - The smallest bottle appears to be the one on the right side of the image. - The cap color of the smallest bottle is black, which is neither blue nor green.
Answer: {"bbox_2d": [46, 264, 63, 329]}

Predicted bbox: [46, 264, 63, 329]

Ground truth: [48.91, 268.67, 63.449999999999996, 325.36]

Result: Correct

IoU: 0.7065

With CD

Generation Time: 15.20s

Thinking: The task is to identify the smallest bottle without a blue or green cap. To do this, I'll follow these steps: 1. Identify all bottles in the image. 2. Determine which bottle is the smallest. 3. Check if the smallest bottle has a blue or green cap. 4. If the smallest bottle does not have a blue or green cap, identify it as the answer. Step 1: Identifying all bottles: - There are three bottles visible: one green, one blue, and one black. Step 2: Determining the smallest bottle: - The green bottle is the smallest visually. Step 3: Checking the cap color of the smallest bottle: - The green bottle has a blue cap. Step 4: Identifying the answer: - The smallest bottle without a blue or green cap does not exist based on the identification.
Answer: {"bbox_2d": [44, 261, 63, 327]}

Predicted bbox: [44, 261, 63, 327]

Ground truth: [48.91, 268.67, 63.449999999999996, 325.36]

Result: Correct

IoU: 0.6243

Image

Dataset: refcocos_test

Caption: the bottle that is not in the refrigerator and has blue writing on its label

Image: val2017/000000425226.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.71s

Thinking: The image shows a person interacting with a refrigerator. There are various items visible on the counter, including bottles. The instruction asks to identify a bottle that is not in the refrigerator and has blue writing on its label. The refrigerator door is open, but there are no bottles visible inside it. The bottle in question is likely on the counter, outside the refrigerator. 1. Identify the refrigerator: The white appliance with the door open is the refrigerator. 2. Identify items on the counter: There are bottles on the counter, but the refrigerator is not visible inside. 3. Check for a bottle with blue writing: Among the visible bottles on the counter, one appears to have blue writing.
Answer: {"bbox_2d": [283, 350, 308, 396]}

Predicted bbox: [283, 350, 308, 396]

Ground truth: [299.65, 2.09, 321.41999999999996, 44.269999999999996]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 11.98s

Thinking: The sentence describes a bottle that is not in the refrigerator and has blue writing on its label. In the image, there is a bottle visible on the counter to the right of the person, outside the refrigerator. The label on this bottle appears to be blue, matching the description in the sentence. 1. Identify the bottle not in the refrigerator: The bottle is on the counter, not inside the fridge. 2. Check the label color: The label is indeed blue. 3. Confirm the label has writing: The writing is not clearly visible, but the blue color aligns with the description.
Answer: {"bbox_2d": [301, 0, 322, 46]}

Predicted bbox: [301, 0, 322, 46]

Ground truth: [299.65, 2.09, 321.41999999999996, 44.269999999999996]

Result: Correct

IoU: 0.8420

Image

Dataset: refcocos_test

Caption: the bottle that is neither green nor has a rectangular cap

Image: val2017/000000292005.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.90s

Thinking: The task is to identify the bottle that is neither green nor has a rectangular cap. The image contains three bottles, each with distinct characteristics: 1. The green bottle is on the left. 2. The bottle in the middle is white and has a round cap. 3. The bottle on the right is white and has a rectangular cap. The bottle that is neither green nor has a rectangular cap is the one in the middle.
Answer: {"bbox_2d": [212, 455, 235, 509]}

Predicted bbox: [212, 455, 235, 509]

Ground truth: [201.81, 453.48, 220.65, 508.34000000000003]

Result: Incorrect

IoU: 0.2543

With CD

Generation Time: 12.32s

Thinking: The task is to identify the bounding box of the bottle that is neither green nor has a rectangular cap. Here's the reasoning: 1. Identify all the bottles in the image. 2. Check the color of each bottle. 3. Check the shape of the cap of each bottle. 4. Exclude the bottle that matches the description. From the image: - There are two bottles visible. - The bottle on the left is green. - The bottle on the right has a rectangular cap. Based on these observations, the bottle that is neither green nor has a rectangular cap is the one on the right.
Answer: {"bbox_2d": [210, 456, 235, 507]}

Predicted bbox: [210, 456, 235, 507]

Ground truth: [201.81, 453.48, 220.65, 508.34000000000003]

Result: Incorrect

IoU: 0.3077

Image

Dataset: refcocos_test

Caption: the chair close to the stove and partially covered by the banana

Image: val2017/000000480122.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.82s

Thinking: The sentence "the chair close to the stove and partially covered by the banana" seems to refer to a chair that is positioned near the stove and partially obscured by a bowl containing bananas. The chair in question would be the one on the left side of the table, as it is the closest to the stove and the bananas are in a bowl on the table, which partially covers the chair.
Answer: {"bbox_2d": [69, 398, 192, 481]}

Predicted bbox: [69, 398, 192, 481]

Ground truth: [217.57, 359.3, 294.26, 430.21000000000004]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 12.25s

Thinking: The task is to identify the bounding box of the chair close to the stove and partially covered by the banana. First, locate the banana in the image, which is in a wooden bowl on the table. Then, find the chair closest to the stove and partially obscured by the bowl containing the banana. 1. Identify the banana in the wooden bowl on the table. 2. Locate the chair closest to the stove, which is the chair on the left side of the table. 3. Observe that the banana partially covers this chair, but the chair is still identifiable.
Answer: {"bbox_2d": [65, 398, 192, 482]}

Predicted bbox: [65, 398, 192, 482]

Ground truth: [217.57, 359.3, 294.26, 430.21000000000004]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the partially empty spray bottle with green liquid

Image: val2017/000000197796.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.96s

Thinking: The task is to identify the bounding box of the partially empty spray bottle with green liquid. I'll start by identifying the spray bottles on the windowsill and then determine which one has green liquid and is partially empty. 1. There are several bottles on the windowsill. 2. The bottle with green liquid appears to be the second bottle from the right, based on its color. 3. It is partially empty as the liquid level is low.
Answer: {"bbox_2d": [314, 56, 340, 154]}

Predicted bbox: [314, 56, 340, 154]

Ground truth: [312.48, 57.63, 337.43, 155.96]

Result: Correct

IoU: 0.8231

With CD

Generation Time: 8.34s

Thinking: The question asks for the bounding box of the partially empty spray bottle with green liquid. The image shows several bottles on the windowsill, but only one has a green liquid and is partially empty. The bottle with green liquid is located near the center of the windowsill, and its shape and color match the description in the question.
Answer: {"bbox_2d": [313, 54, 341, 154]}

Predicted bbox: [313, 54, 341, 154]

Ground truth: [312.48, 57.63, 337.43, 155.96]

Result: Correct

IoU: 0.8121

Image

Dataset: refcocos_test

Caption: the pink cup on the second shelf from the top

Image: val2017/000000481386.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.54s

Thinking: The image contains multiple shelves with various items, but to accurately locate the pink cup on the second shelf from the top, we need to focus on the upper section of the image. The pink cup is likely positioned among other cups and mugs, possibly on the right side of the shelf. Given the layout, the cup should be located near the middle of the second shelf from the top.
Answer: {"bbox_2d": [306, 142, 331, 158]}

Predicted bbox: [306, 142, 331, 158]

Ground truth: [287.43, 135.07, 311.46000000000004, 160.73]

Result: Incorrect

IoU: 0.0940

With CD

Generation Time: 8.95s

Thinking: The question asks for the bounding box of the pink cup on the second shelf from the top. The image shows a kitchen setting with multiple shelves and cups. To identify the pink cup, I'll locate the second shelf from the top, which is the one above the wooden cabinet, and then identify the pink cup on that shelf. The pink cup is indeed visible on that shelf.
Answer: {"bbox_2d": [344, 120, 374, 159]}

Predicted bbox: [344, 120, 374, 159]

Ground truth: [287.43, 135.07, 311.46000000000004, 160.73]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the white ceramic bowl that is not on the counter

Image: val2017/000000397133.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.58s

Thinking: The sentence describes a "white ceramic bowl that is not on the counter." The counter in the image is the wooden surface in the foreground, which is clearly visible with various items on it. The question asks for a bounding box of a white ceramic bowl that is not on the counter. The only white ceramic bowl in the image is on the counter, so there is no such bowl off the counter.
Answer: {"bbox_2d": [32, 337, 102, 381]}

Predicted bbox: [32, 337, 102, 381]

Ground truth: [157.2, 114.15, 175.06, 129.97]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.39s

Thinking: The instruction asks to identify the bounding box of the white ceramic bowl that is not on the counter. In the image, there is a white ceramic bowl on the counter, but the instruction specifies a bowl that is not on the counter. Observing the image, there is another white ceramic bowl that is placed on the counter, not on the table. The instruction is asking for the bowl that is on the counter.
Answer: {"bbox_2d": [31, 339, 101, 381]}

Predicted bbox: [31, 339, 101, 381]

Ground truth: [157.2, 114.15, 175.06, 129.97]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the red bottle that is not located on the first shelf from the top

Image: val2017/000000173302.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.15s

Thinking: The task is to identify the bounding box of the red bottle that is not located on the first shelf from the top. The first step is to identify the shelves and the red bottles. The image shows a kitchen with various shelves, but the red bottle in question is not immediately apparent. It seems to be located on a lower shelf, possibly the second or third shelf from the top. The red bottle is not on the first shelf, which is a clue to its location.
Answer: {"bbox_2d": [110, 170, 123, 187]}

Predicted bbox: [110, 170, 123, 187]

Ground truth: [435.32, 178.03, 442.81, 191.89]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.18s

Thinking: The sentence "the red bottle that is not located on the first shelf from the top" implies we need to find a red bottle that is not on the topmost shelf. The image shows a kitchen with various items, including bottles, but the bottles are not clearly visible or labeled as red in the provided image. However, we can infer that the red bottle in question is not on the top shelf, as the top shelf appears to be clear of any bottles.
Answer: {"bbox_2d": [109, 170, 123, 187]}

Predicted bbox: [109, 170, 123, 187]

Ground truth: [435.32, 178.03, 442.81, 191.89]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the tall bottle that is closest to the stove

Image: val2017/000000523100.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.51s

Thinking: The image shows a kitchen scene with a focus on jars of sliced oranges. There are several bottles visible, but the question specifically asks for the "tall bottle that is closest to the stove." The stove is likely the white appliance on the left side of the image, which is a microwave. The bottle closest to this microwave is the one on the far left in the background.
Answer: {"bbox_2d": [153, 86, 188, 175]}

Predicted bbox: [153, 86, 188, 175]

Ground truth: [153.77, 86.61, 187.13, 178.3]

Result: Correct

IoU: 0.9143

With CD

Generation Time: 9.09s

Thinking: The sentence "the tall bottle that is closest to the stove" implies we need to identify a bottle that is both tall and located near the stove. In the image, there are several bottles of varying sizes and positions, but the one closest to the stove and the tallest among them appears to be the one near the back center of the image, slightly to the left of the center.
Answer: {"bbox_2d": [155, 58, 189, 178]}

Predicted bbox: [155, 58, 189, 178]

Ground truth: [153.77, 86.61, 187.13, 178.3]

Result: Correct

IoU: 0.6987

Image

Dataset: refcocos_test

Caption: the woman who is wearing pink clothing and not smiling

Image: val2017/000000084241.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.59s

Thinking: The task is to identify the bounding box of the woman wearing pink clothing who is not smiling. Here's the process: 1. Identify the woman wearing pink clothing. There are three women in the image, and one of them is wearing pink. 2. Determine which of the women in pink is not smiling. The woman on the left is not smiling. 3. Locate the bounding box for this woman.
Answer: {"bbox_2d": [200, 20, 293, 292]}

Predicted bbox: [200, 20, 293, 292]

Ground truth: [198.89, 23.16, 284.51, 289.42]

Result: Correct

IoU: 0.8793

With CD

Generation Time: 8.92s

Thinking: The sentence "the woman who is wearing pink clothing and not smiling" refers to the person in the center of the image, standing with their back partially turned towards the camera. This person is wearing pink clothing and appears to be engaged in some activity, possibly cooking or preparing food, as suggested by the presence of kitchen utensils and food items around them. The woman is not smiling.
Answer: {"bbox_2d": [194, 21, 287, 296]}

Predicted bbox: [194, 21, 287, 296]

Ground truth: [198.89, 23.16, 284.51, 289.42]

Result: Correct

IoU: 0.8914

Image

Dataset: refcocos_test

Caption: the bottle behind the stove with yellow and red wrapping

Image: val2017/000000074209.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.66s

Thinking: The sentence refers to a bottle located behind the stove with yellow and red wrapping. In the image, there is a bottle near the stove with a visible label that includes yellow and red colors, indicating it matches the description in the sentence. 1. Identify the stove area in the image. 2. Locate the bottle behind the stove. 3. Confirm the bottle's color and wrapping match the description.
Answer: {"bbox_2d": [163, 191, 178, 226]}

Predicted bbox: [163, 191, 178, 226]

Ground truth: [171.43, 197.48, 181.38, 223.79]

Result: Incorrect

IoU: 0.2816

With CD

Generation Time: 8.39s

Thinking: The instruction asks for the bounding box of a bottle behind the stove with yellow and red wrapping. In the image, there is a basket placed on the counter, and behind the stove, there are bottles on the counter. The bottle with yellow and red wrapping appears to be the second bottle from the left, located behind the stove.
Answer: {"bbox_2d": [133, 194, 146, 233]}

Predicted bbox: [133, 194, 146, 233]

Ground truth: [171.43, 197.48, 181.38, 223.79]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the spoon inside the glass cup filled with water

Image: val2017/000000239627.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.18s

Thinking: The instruction asks for the bounding box of "the spoon inside the glass cup filled with water." In the image, there is indeed a glass cup that appears to be filled with water, and inside it, there is a spoon. The spoon is located at the bottom right of the sink, within the cup that is on the drying rack.
Answer: {"bbox_2d": [459, 284, 541, 357]}

Predicted bbox: [459, 284, 541, 357]

Ground truth: [425.77, 173.22, 501.2, 248.64]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 14.87s

Thinking: The sentence "the spoon inside the glass cup filled with water" describes a specific item in the image. To locate this, we need to identify a glass cup filled with water and a spoon inside it. In the image, there is a glass cup with a spoon in it, located near the bottom right of the sink. 1. Identify the glass cup filled with water. 2. Identify the spoon inside the glass cup. 3. Confirm the spoon is inside the glass cup. The bounding box coordinates for the spoon inside the glass cup filled with water are approximately: ```json {"bbox_2d": [458, 285, 541, 357], "label": "the spoon inside the glass cup filled with water."} ```
Answer: {"bbox_2d": [458, 285, 541, 357]}

Predicted bbox: [458, 285, 541, 357]

Ground truth: [425.77, 173.22, 501.2, 248.64]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: a hand soap on the bathroom counter next to a pile of paper towels

Image: val2017/000000195165.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.62s

Thinking: The sentence describes a hand soap on the bathroom counter next to a pile of paper towels. The key elements are: 1. "a hand soap" - likely referring to a liquid soap dispenser. 2. "on the bathroom counter" - indicating the location. 3. "next to a pile of paper towels" - suggesting the proximity to paper towels. In the image, there is indeed a bottle on the counter next to a stack of paper towels. The bottle appears to be a liquid soap dispenser, which matches the description.
Answer: {"bbox_2d": [329, 265, 350, 319]}

Predicted bbox: [329, 265, 350, 319]

Ground truth: [329.8, 263.35, 347.95, 312.64000000000004]

Result: Correct

IoU: 0.7429

With CD

Generation Time: 10.54s

Thinking: The sentence describes a hand soap on the bathroom counter next to a pile of paper towels. The key elements are "hand soap," "bathroom counter," and "pile of paper towels." In the image, there is a bathroom counter with a pile of paper towels to the left and what appears to be a bottle of hand soap to the right of the towels, which aligns with the description. The bounding box for this would likely encompass the area around the hand soap bottle.
Answer: {"bbox_2d": [329, 265, 351, 321]}

Predicted bbox: [329, 265, 351, 321]

Ground truth: [329.8, 263.35, 347.95, 312.64000000000004]

Result: Correct

IoU: 0.6852

Image

Dataset: refcocos_test

Caption: the reflection in the mirror of a cup not containing a toothbrush

Image: val2017/000000492878.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.57s

Thinking: The image contains multiple cups and toothbrushes, but the sentence specifically refers to the reflection in the mirror of a cup that does not contain a toothbrush. In the image, there are two cups visible in the reflection: one is on the left side of the sink and does not contain a toothbrush, and the other is on the right side, which does contain a toothbrush. The sentence is asking for the bounding box of the cup on the left side of the sink in the reflection.
Answer: {"bbox_2d": [49, 81, 187, 203]}

Predicted bbox: [49, 81, 187, 203]

Ground truth: [53.06, 77.26, 182.38, 282.86]

Result: Correct

IoU: 0.5707

With CD

Generation Time: 12.56s

Thinking: The sentence describes the reflection in the mirror of a cup not containing a toothbrush. The mirror reflects the entire scene, including the cups and their contents. The cup not containing a toothbrush is the one on the left side of the image, which is not directly visible but can be inferred from its position and the presence of other items. 1. Identify the cup on the left side of the image. 2. Observe its contents: it does not contain a toothbrush. 3. The reflection in the mirror will show the same cup in the same position but inverted due to the mirror.
Answer: {"bbox_2d": [47, 83, 187, 226]}

Predicted bbox: [47, 83, 187, 226]

Ground truth: [53.06, 77.26, 182.38, 282.86]

Result: Correct

IoU: 0.6577

Image

Dataset: refcocos_test

Caption: the metal pot on the left stove

Image: val2017/000000175364.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.32s

Thinking: The instruction asks to identify the "metal pot on the left stove." In the image, there are two stoves, one on the left and one on the right. The left stove has a black oven with a control panel above it, and a metallic pot is visible on the left side of the stove, which is the leftmost oven in the image.
Answer: {"bbox_2d": [137, 248, 261, 417]}

Predicted bbox: [137, 248, 261, 417]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 13.23s

Thinking: The sentence "the metal pot on the left stove" describes a specific object within the kitchen, likely referring to a pot that is on or near the stove on the left side of the image. The bounding box coordinates need to be determined by identifying the stove and the pot on it. 1. Identify the left stove: The left stove is the one with the oven door visible and the controls on top. 2. Identify the pot on the left stove: There appears to be a metal pot on the left stove, which is likely the one mentioned in the sentence. 3. Determine the bounding box: The bounding box should encompass the area where the pot is located on the stove.
Answer: {"bbox_2d": [160, 252, 260, 345]}

Predicted bbox: [160, 252, 260, 345]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the person who is neither facing the camera nor wearing a brown jacket

Image: val2017/000000438774.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.22s

Thinking: The task is to identify the person who is neither facing the camera nor wearing a brown jacket. In the image, there are two people facing away from the camera, and one of them is wearing a brown jacket. The other person facing away is wearing a red jacket. Therefore, the person who fits the description is the one wearing the red jacket.
Answer: {"bbox_2d": [343, 49, 473, 375]}

Predicted bbox: [343, 49, 473, 375]

Ground truth: [333.68, 51.59, 458.49, 382.25]

Result: Correct

IoU: 0.8067

With CD

Generation Time: 10.73s

Thinking: The instruction asks for the bounding box of the person who is neither facing the camera nor wearing a brown jacket. In the image, there are two people in the kitchen area, but the person wearing a brown jacket is facing the camera. The person in the red sweater is not facing the camera, and they are not wearing a brown jacket. 1. Identify the person in the brown jacket. 2. Identify the person in the red sweater. 3. Compare the two people to determine which one meets the criteria.
Answer: {"bbox_2d": [349, 47, 470, 377]}

Predicted bbox: [349, 47, 470, 377]

Ground truth: [333.68, 51.59, 458.49, 382.25]

Result: Correct

IoU: 0.7818

Image

Dataset: refcocos_test

Caption: a plastic bottle without a label

Image: val2017/000000485424.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.54s

Thinking: The instruction asks for a bounding box of a plastic bottle without a label. The image shows a variety of items, including bottles, but none of them have a visible label. The bottle in question is likely the one that is closest to the person, as it is the only one in the foreground that could be identified without a label due to its position and context in the image.
Answer: {"bbox_2d": [522, 169, 550, 244]}

Predicted bbox: [522, 169, 550, 244]

Ground truth: [50.52, 237.88, 113.97, 315.43]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.17s

Thinking: The sentence describes "a plastic bottle without a label." In the image, there are multiple bottles, but we need to identify the one that does not have a label. The bottle on the right side of the image appears to be clear and does not have a visible label, as it is partially obscured and the details are not clear enough to determine if it has a label or not.
Answer: {"bbox_2d": [522, 170, 552, 249]}

Predicted bbox: [522, 170, 552, 249]

Ground truth: [50.52, 237.88, 113.97, 315.43]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: a red bowl that is not on the counter nor the stove

Image: val2017/000000530836.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.29s

Thinking: The task is to locate a red bowl that is not on the counter nor the stove. Let's analyze the image step by step: 1. Scan the image for a red bowl. 2. Look for the bowl's location relative to the counter and stove. 3. Identify the bowl's position and confirm its color and location. The red bowl is located on the left side of the image, near the refrigerator, and it is not on the counter or the stove. It is on the floor.
Answer: {"bbox_2d": [0, 196, 31, 215]}

Predicted bbox: [0, 196, 31, 215]

Ground truth: [0, 190.59, 30.24, 209.08]

Result: Correct

IoU: 0.5256

With CD

Generation Time: 10.97s

Thinking: The sentence "a red bowl that is not on the counter nor the stove" describes an object that is not in a specific location within the image. To identify it, I need to consider the following: 1. The red bowl must be distinct from other bowls in the image. 2. It must not be on the counter or stove. 3. It must be visible in the image. Looking at the image, the red bowl is visible on the counter near the stove, but the sentence specifies it should not be there.
Answer: {"bbox_2d": [0, 196, 30, 213]}

Predicted bbox: [0, 196, 30, 213]

Ground truth: [0, 190.59, 30.24, 209.08]

Result: Correct

IoU: 0.5798

Image

Dataset: refcocos_test

Caption: a woman wearing sandals

Image: val2017/000000177934.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.36s

Thinking: The image contains multiple people, and we need to identify the one described as "a woman wearing sandals." The person in the foreground, standing near the motorcycle, appears to be the target. This person is wearing sandals and is holding a Canadian flag. The others in the background do not fit the description as they are not near the motorcycle or wearing sandals.
Answer: {"bbox_2d": [350, 151, 415, 336]}

Predicted bbox: [350, 151, 415, 336]

Ground truth: [352.76, 154.48, 405.12, 338.5]

Result: Correct

IoU: 0.7819

With CD

Generation Time: 9.44s

Thinking: The task is to identify the bounding box of the region described as "a woman wearing sandals." In the image, there are multiple people, and we need to focus on the one wearing sandals. The woman in the center of the image is wearing sandals and is standing next to a motorcycle. She is also holding a hose, which is a key detail that helps in identifying her as the one wearing sandals.
Answer: {"bbox_2d": [349, 154, 409, 342]}

Predicted bbox: [349, 154, 409, 342]

Ground truth: [352.76, 154.48, 405.12, 338.5]

Result: Correct

IoU: 0.8542

Image

Dataset: refcocos_test

Caption: the bottle with a black cap, second from the left

Image: val2017/000000040471.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 7.13s

Thinking: The task is to locate the bottle with a black cap, second from the left. First, I'll identify all the objects in the image that resemble bottles. Then, I'll count them from left to right to determine which one matches the description. 1. There are several objects in the kitchen that could be interpreted as bottles, but the one that stands out due to its position and shape is located second from the left. 2. The bottle in question is positioned between a toaster oven and a refrigerator, and it appears to have a black cap. 3. The other objects in the same general area do not match the description of a bottle with a black cap. The bottle with a black cap, second from the left, is the one in question.
Answer: {"bbox_2d": [116, 310, 135, 342]}

Predicted bbox: [116, 310, 135, 342]

Ground truth: [309.15, 323.63, 317.90999999999997, 339.51]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.58s

Thinking: The instruction asks for the bounding box of a bottle with a black cap, second from the left. The image contains several items, but the specific bottle with a black cap is not immediately obvious without precise object recognition. However, based on the layout and common kitchen items, we can deduce that the bottle in question is likely one of the items on the counter near the left side of the image, second from the left.
Answer: {"bbox_2d": [112, 311, 133, 346]}

Predicted bbox: [112, 311, 133, 346]

Ground truth: [309.15, 323.63, 317.90999999999997, 339.51]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: a bowl on a metal wall-mounted open cabinet that is not stacked

Image: val2017/000000455597.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.55s

Thinking: The task is to identify a bowl on a metal wall-mounted open cabinet that is not stacked. In the image, there are multiple shelves and cabinets, but the question specifies a single bowl not stacked. Observing the image, there is a bowl visible on the top shelf, but it appears to be stacked with other bowls, which doesn't match the description of "not stacked."
Answer: {"bbox_2d": [177, 150, 236, 177]}`

Predicted bbox: [177, 150, 236, 177]

Ground truth: [182.03, 164.87, 209.75, 174.99]

Result: Incorrect

IoU: 0.1761

With CD

Generation Time: 15.03s

Thinking: The sentence describes a bowl located on a metal wall-mounted open cabinet that is not stacked. In the image, there is a visible cabinet on the right side with several stacked items on it, but there is also a bowl visible on the left side of the image, which appears to be on a different shelf or area of the cabinet that is not part of the stacked items. 1. Identify the cabinet area in the image: The cabinet is on the right side, with items stacked on it. 2. Look for a bowl on the left side: There is a bowl visible on the left side, not part of the stacked items. 3. Determine if the bowl is on a metal wall-mounted open cabinet: The bowl is on a cabinet, and the cabinet appears to be wall-mounted and open.
Answer: {"bbox_2d": [178, 151, 236, 175]}}

Predicted bbox: [178, 151, 236, 175]

Ground truth: [182.03, 164.87, 209.75, 174.99]

Result: Incorrect

IoU: 0.2015

Image

Dataset: refcocos_test

Caption: the second bottle from the right on the kitchen countertop

Image: val2017/000000308799.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.80s

Thinking: The sentence describes "the second bottle from the right on the kitchen countertop." This means we need to identify the bottles on the countertop and count them from the right. There are two bottles visible on the countertop, and the one that is second from the right is the one we're looking for.
Answer: {"bbox_2d": [231, 226, 242, 262]}

Predicted bbox: [231, 226, 242, 262]

Ground truth: [243.36, 224.27, 253.26000000000002, 254.91000000000003]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 11.39s

Thinking: The task is to identify the bounding box of the second bottle from the right on the kitchen countertop. To do this, I'll follow these steps: 1. Identify the kitchen countertop area. 2. Identify the bottles on the countertop. 3. Determine which bottle is the second one from the right. The kitchen countertop is the area where the bottles are located, which is the right side of the image. There are two bottles visible on the countertop. The bottle on the right is the first bottle, and the bottle next to it is the second bottle.
Answer: {"bbox_2d": [235, 223, 244, 260]}

Predicted bbox: [235, 223, 244, 260]

Ground truth: [243.36, 224.27, 253.26000000000002, 254.91000000000003]

Result: Incorrect

IoU: 0.0318

Image

Dataset: refcocos_test

Caption: the plant that is not on the windowsill and is located on the right side

Image: val2017/000000045229.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.92s

Thinking: The sentence describes a plant that is not on the windowsill and is located on the right side. In the image, there is a small plant on a wooden stand to the right of the window, but it is not on the windowsill. This matches the description provided in the sentence.
Answer: {"bbox_2d": [318, 383, 387, 427]}

Predicted bbox: [318, 383, 387, 427]

Ground truth: [348.72, 388.45, 380.18, 423.94]

Result: Incorrect

IoU: 0.3678

With CD

Generation Time: 10.19s

Thinking: The sentence "the plant that is not on the windowsill and is located on the right side" describes a specific plant in the image, which is not on the windowsill but rather on the right side of the image, closer to the viewer. The windowsill is on the left side of the image, and there are no plants on it. The plant on the right side is a small potted plant, which is not on the windowsill.
Answer: {"bbox_2d": [316, 379, 387, 425]}

Predicted bbox: [316, 379, 387, 425]

Ground truth: [348.72, 388.45, 380.18, 423.94]

Result: Incorrect

IoU: 0.3419

Image

Dataset: refcocos_test

Caption: a pot on the stovetop next to the coffee machine

Image: val2017/000000109976.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.11s

Thinking: The image shows a kitchen area with a stove, a microwave, and some cabinets. The question asks for the bounding box of a pot on the stovetop next to the coffee machine. The stove is clearly visible, and there is a coffee machine to its left. However, there doesn't appear to be a pot on the stovetop next to the coffee machine in this image. The stove is empty, and there's no visible pot.
Answer: {"bbox_2d": [126, 164, 383, 476]}

Predicted bbox: [126, 164, 383, 476]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 10.34s

Thinking: The sentence "a pot on the stovetop next to the coffee machine" describes a specific item in the image. In the image, there is a white stovetop with burners, and to the right of the stovetop, there is a coffee machine. The phrase "a pot on the stovetop" suggests that there is a pot on the right side of the stovetop, next to the coffee machine.
Answer: {"bbox_2d": [359, 191, 383, 253]}

Predicted bbox: [359, 191, 383, 253]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: a black chair that doesn't have any object on it and has a backrest

Image: val2017/000000441247.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.65s

Thinking: The task is to identify a black chair that doesn't have any object on it and has a backrest. The image shows multiple chairs, but I need to carefully identify the one that matches this description. I'll look for a chair that is black, doesn't have an object on it, and has a backrest. 1. Scan the image for black chairs with a backrest. 2. Identify the chair in the center of the image that has a backrest and no objects on it. 3. Confirm that it matches the description.
Answer: {"bbox_2d": [223, 221, 306, 345]}

Predicted bbox: [223, 221, 306, 345]

Ground truth: [221.7, 220.73, 301.35, 347.73]

Result: Correct

IoU: 0.9086

With CD

Generation Time: 11.10s

Thinking: The task is to identify a black chair that doesn't have any object on it and has a backrest. The sentence describes a chair that is black, has a backrest, and does not have any object on it. In the image, there is a chair in the center of the kitchen area that matches this description. It is black, has a backrest, and there is no object on it. The other chair in the kitchen area has an object (a box) on it, which does not match the description.
Answer: {"bbox_2d": [222, 221, 301, 343]}

Predicted bbox: [222, 221, 301, 343]

Ground truth: [221.7, 220.73, 301.35, 347.73]

Result: Correct

IoU: 0.9528

Image

Dataset: refcocos_test

Caption: a stack of two books that is not placed next to the chair

Image: val2017/000000093437.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.11s

Thinking: The task is to identify the bounding box of a stack of two books that is not placed next to the chair. In the image, there is a stack of books on a surface to the right of the person, near the kitchen area, but not next to the chair. The stack is on the counter and not next to the chair.
Answer: {"bbox_2d": [430, 282, 491, 314]}

Predicted bbox: [430, 282, 491, 314]

Ground truth: [490.55, 212.2, 523.83, 222.91]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.32s

Thinking: The sentence "a stack of two books that is not placed next to the chair" seems to describe a specific object within the image. However, the image does not clearly show a stack of two books. Instead, it shows a person wearing a hat and pointing, with a chair visible in the background. The chair appears to be next to the stack of books, but the books are not clearly visible in the image. Therefore, the sentence does not accurately describe an object in the image.
Answer: {"bbox_2d": [431, 283, 493, 314]}

Predicted bbox: [431, 283, 493, 314]

Ground truth: [490.55, 212.2, 523.83, 222.91]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: a chair that is neither close to the wall nor closest to the camera

Image: val2017/000000221708.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.66s

Thinking: The sentence "a chair that is neither close to the wall nor closest to the camera" describes a chair that is positioned in the middle of the seating arrangement and not adjacent to the wall or closest to the viewer. In the image, there are three chairs around a round table, and the middle chair, which is not next to the wall and not closest to the camera, fits this description.
Answer: {"bbox_2d": [270, 260, 374, 478]}

Predicted bbox: [270, 260, 374, 478]

Ground truth: [210.25, 255.88, 285.67, 424.44]

Result: Incorrect

IoU: 0.0785

With CD

Generation Time: 10.46s

Thinking: The task is to identify the bounding box of the chair that is neither close to the wall nor closest to the camera. To do this, let's break down the image: 1. There are three chairs visible in the image. 2. One chair is closest to the camera (front right). 3. Another chair is closest to the wall (back left). 4. The third chair is in the middle, away from the wall and closer to the center of the room.
Answer: {"bbox_2d": [270, 262, 376, 476]}

Predicted bbox: [270, 262, 376, 476]

Ground truth: [210.25, 255.88, 285.67, 424.44]

Result: Incorrect

IoU: 0.0775

Image

Dataset: refcocos_test

Caption: the chair farthest from the microwave

Image: val2017/000000216497.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.09s

Thinking: The sentence describes the chair farthest from the microwave. The microwave is located in the middle of the kitchen area, and the chairs are arranged around the kitchen island. The chair farthest from the microwave, based on the positioning, is the one on the left side of the kitchen island, closest to the door.
Answer: {"bbox_2d": [301, 242, 349, 377]}

Predicted bbox: [301, 242, 349, 377]

Ground truth: [386.03, 269.83, 468.07, 451.40999999999997]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.45s

Thinking: The task is to identify the bounding box of the chair farthest from the microwave. The microwave is located on the left wall of the kitchen area, and the chairs are positioned around the kitchen island. To determine the chair farthest from the microwave, I need to look at the relative positions of the chairs in relation to the microwave. The chair farthest from the microwave will be the one that is not adjacent to the microwave but rather positioned at the end of the island.
Answer: {"bbox_2d": [392, 270, 466, 449]}

Predicted bbox: [392, 270, 466, 449]

Ground truth: [386.03, 269.83, 468.07, 451.40999999999997]

Result: Correct

IoU: 0.8892

Image

Dataset: refcocos_test

Caption: the upper oven embedded in the white cabinet

Image: val2017/000000458768.jpg

$Image with bounding boxes$

Ground Truth Without CD With CD

Without CD

Generation Time: 5.14s

Thinking: The sentence "the upper oven embedded in the white cabinet" refers to a specific appliance in the kitchen. In this context, the oven is likely the built-in appliance with a door that is visible at the upper section of the kitchen island. This is a common placement for ovens in modern kitchens, integrated into the cabinetry for a sleek look. The bounding box coordinates for the oven would typically be located around the upper section of the kitchen island, near the countertop.
Answer: {"bbox_2d": [412, 240, 431, 288]}

Predicted bbox: [412, 240, 431, 288]

Ground truth: [408.36, 206.98, 428.23, 252.88]

Result: Incorrect

IoU: 0.1294

With CD

Generation Time: 14.30s

Thinking: The sentence "the upper oven embedded in the white cabinet" describes a specific area in the image. It implies a location that is within a white cabinet, and the term "upper" suggests it's higher than a lower oven, which is often the case in kitchens. Given the layout of the kitchen, there is indeed an upper oven located above the gas stove, which is consistent with the description. 1. Identify the cabinet area: The white cabinet is located on the right side of the kitchen. 2. Identify the oven location: The oven is positioned above the gas stove, which is on the right side of the kitchen. 3. Confirm the "upper" placement: The oven is above the gas stove, fitting the description of being "upper."
Answer: {"bbox_2d": [411, 227, 433, 290]}

Predicted bbox: [411, 227, 433, 290]

Ground truth: [408.36, 206.98, 428.23, 252.88]

Result: Incorrect

IoU: 0.2408

Image

Dataset: refcocos_test

Caption: the middle chair among chairs with green mat

Image: val2017/000000543047.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.30s

Thinking: The instruction asks for the bounding box of the middle chair among chairs with green mats. There are two green mats in the image, one on the left and one on the right. The middle chair is the one positioned between these two green mats. The chair in question is the one with a purple cushion, which is centered in the seating arrangement.
Answer: {"bbox_2d": [361, 214, 419, 287]}

Predicted bbox: [361, 214, 419, 287]

Ground truth: [397.23, 177.89, 419.54, 206.7]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.25s

Thinking: The task is to identify the bounding box of the middle chair among chairs with green mats. Here's the reasoning: 1. First, locate the chairs with green mats. These are the couches on the left and right sides of the room. 2. Identify the middle chair. This is the chair that is positioned between the two couches. 3. The middle chair is the one directly in front of the dining table, which is surrounded by three chairs.
Answer: {"bbox_2d": [355, 210, 423, 285]}

Predicted bbox: [355, 210, 423, 285]

Ground truth: [397.23, 177.89, 419.54, 206.7]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the middle chair at the dining table not on the sofa side

Image: val2017/000000472046.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.72s

Thinking: The sentence describes a specific chair at the dining table, not on the sofa side. In this image, there are multiple chairs around the dining table, and we need to identify the one that is not on the side closest to the sofa. The sofa is positioned on the right side of the image, and the chairs on the opposite side of the table from the sofa would be the ones we are looking for. The middle chair at the dining table, not on the sofa side, is the one that is equidistant from the ends of the table.
Answer: {"bbox_2d": [184, 244, 226, 311]}

Predicted bbox: [184, 244, 226, 311]

Ground truth: [70.16, 256.44, 100.33, 277.29]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 11.72s

Thinking: The task is to identify the bounding box of the middle chair at the dining table that is not on the sofa side. The image shows a dining table with multiple chairs, but the middle chair in question is the one that is not adjacent to the sofa, as it is the one directly across from the sofa, not on the side. 1. Identify the dining table and the chairs around it. 2. Determine which chair is the middle one, not on the sofa side. 3. The chair in question is the one directly across from the sofa, not on the side.
Answer: {"bbox_2d": [156, 242, 228, 314]}

Predicted bbox: [156, 242, 228, 314]

Ground truth: [70.16, 256.44, 100.33, 277.29]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: a person holding a green umbrella walking away from the camera

Image: val2017/000000045596.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.15s

Thinking: The task is to identify the bounding box of a person holding a green umbrella walking away from the camera. To achieve this, I'll follow these steps: 1. Identify the umbrella: It's a bright green color and is being held by someone. 2. Identify the person: The person is walking away, and the umbrella is positioned above their head, suggesting they are holding it. 3. Determine the bounding box: The bounding box should encompass the person holding the umbrella.
Answer: {"bbox_2d": [122, 340, 142, 375]}

Predicted bbox: [122, 340, 142, 375]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 19.45s

Thinking: The task is to identify the bounding box of a person holding a green umbrella walking away from the camera. To achieve this, I'll follow these steps: 1. Identify the person in the image. 2. Determine the direction the person is facing. 3. Identify the umbrella. 4. Ensure the umbrella is green. 5. Confirm the person is walking away from the camera. Step 1: Identifying the person - The person is on the left side of the image, holding a blue and white umbrella. Step 2: Direction - The person appears to be walking away from the camera, as indicated by their position and the umbrella's orientation. Step 3: Identifying the umbrella - The umbrella is blue and white, but there's no indication of a green umbrella in the image. Step 4: Confirming the umbrella - The umbrella is blue and white, not green. Step 5: Confirming the person is walking away - The person's position and the umbrella's orientation suggest they are walking away. The sentence describes a person holding a green umbrella, but the umbrella is not green.
Answer: {"bbox_2d": [122, 343, 140, 376]}

Predicted bbox: [122, 343, 140, 376]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: a bicycle without a basket that is partially blocked by a yellow pole

Image: val2017/000000259830.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.33s

Thinking: The image shows a row of bicycles parked in front of a building. There are two bicycles clearly visible, with one being partially obscured by a yellow pole. The bicycle without a basket that is partially blocked by the yellow pole is the one on the right side of the image, as it is closer to the yellow pole and appears to be partially hidden behind it.
Answer: {"bbox_2d": [305, 426, 417, 581]}

Predicted bbox: [305, 426, 417, 581]

Ground truth: [338.58, 426.67, 425, 579.44]

Result: Correct

IoU: 0.6447

With CD

Generation Time: 9.44s

Thinking: The question asks for the bounding box of a bicycle without a basket that is partially blocked by a yellow pole. In the image, there are two bicycles visible. One bicycle is clearly visible in the foreground, with a basket attached to it. The other bicycle is partially visible on the right side of the image, and it does not appear to have a basket. The yellow pole is partially obscuring this second bicycle.
Answer: {"bbox_2d": [267, 412, 420, 581]}

Predicted bbox: [267, 412, 420, 581]

Ground truth: [338.58, 426.67, 425, 579.44]

Result: Incorrect

IoU: 0.4672

Image

Dataset: refcocos_test

Caption: a black car following a silver car, moving away from the camera

Image: val2017/000000309391.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.19s

Thinking: The sentence describes a black car following a silver car, moving away from the camera. To identify this, I need to look for a black car positioned behind a silver car in the image, and it should be moving in the same direction as the silver car, which is away from the camera. The black car is in the middle of the image, and the silver car is in front of it. The relative position and direction of these cars should match the description given in the sentence.
Answer: {"bbox_2d": [259, 237, 328, 296]}

Predicted bbox: [259, 237, 328, 296]

Ground truth: [450.31, 125.53, 475.14, 145.32]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 13.59s

Thinking: The task is to identify the bounding box of a black car following a silver car, moving away from the camera. The sentence describes the relative positions of these cars and their movement direction. 1. Identify the silver car: The silver car is located in the center of the image, moving away from the camera. 2. Identify the black car: The black car is positioned behind the silver car and is also moving away from the camera. 3. Verify the bounding box coordinates: The black car should be positioned directly behind the silver car, following it. The bounding box for the black car will cover the area directly behind the silver car, as it's moving away from the camera and following the silver car.
Answer: {"bbox_2d": [260, 234, 328, 296]}

Predicted bbox: [260, 234, 328, 296]

Ground truth: [450.31, 125.53, 475.14, 145.32]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the car next to the car with its door open

Image: val2017/000000357737.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.27s

Thinking: The sentence "the car next to the car with its door open" describes a car that is adjacent to the car with its door open. In the image, there is a red car with its door open on the left side, and a green car next to it. The car next to the red car with its door open is the green car.
Answer: {"bbox_2d": [33, 84, 265, 152]}

Predicted bbox: [33, 84, 265, 152]

Ground truth: [576.36, 88.04, 583.4300000000001, 91.39]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.09s

Thinking: The task is to identify the bounding box of the car next to the car with its door open. The car with its door open is the red station wagon in the foreground. The car next to it would be the red station wagon behind it. 1. Identify the red station wagon with its door open. 2. Locate the car next to it, which is the red station wagon behind the first one. 3. Define the bounding box for this car.
Answer: {"bbox_2d": [66, 111, 380, 291]}

Predicted bbox: [66, 111, 380, 291]

Ground truth: [576.36, 88.04, 583.4300000000001, 91.39]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: a bicycle that is not placed on the ground

Image: val2017/000000055022.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.84s

Thinking: The sentence "a bicycle that is not placed on the ground" likely refers to a bicycle that is not on a flat surface, implying it might be hung or mounted on a wall. In the image, there is a bicycle mounted on the wall with a red frame, which fits this description.
Answer: {"bbox_2d": [234, 0, 280, 81]}

Predicted bbox: [234, 0, 280, 81]

Ground truth: [245.25, 0.76, 281.89, 80.16000000000001]

Result: Correct

IoU: 0.7118

With CD

Generation Time: 9.06s

Thinking: The sentence "a bicycle that is not placed on the ground" suggests that the bicycle in question is elevated or not resting on the floor. In the image, there is a bicycle with a rack and basket on the front, and it appears to be standing upright, suggesting it is not on the ground. This matches the description of a bicycle that is not placed on the ground.
Answer: {"bbox_2d": [21, 188, 336, 637]}

Predicted bbox: [21, 188, 336, 637]

Ground truth: [245.25, 0.76, 281.89, 80.16000000000001]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: a person who is neither standing, sitting, walking, nor skateboarding

Image: val2017/000000087038.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.33s

Thinking: The task is to identify a person who is neither standing, sitting, walking, nor skateboarding. In the image, there are multiple people engaged in different activities, but we need to focus on one person who is not performing any of these actions. Observing the scene, it's clear that most people are actively involved in skateboarding or cycling, but there are some individuals in the background who appear to be standing still or possibly interacting with the environment but not actively skateboarding or cycling.
Answer: {"bbox_2d": [202, 227, 218, 264]}

Predicted bbox: [202, 227, 218, 264]

Ground truth: [257.85, 224.48, 301.98, 321.48]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 11.24s

Thinking: The task is to identify a person who is neither standing, sitting, walking, nor skateboarding. The image shows multiple people engaged in skateboarding and cycling, but no one appears to be standing, sitting, or walking. The person in the center, wearing a pink jacket, is actively skateboarding, and the person on the right is performing a trick on a skateboard, so they are not standing, sitting, or walking either.
Answer: {"bbox_2d": [630, 221, 644, 265], "label": "a person who is neither standing, sitting, walking, nor skateboarding."}

Predicted bbox: [630, 221, 644, 265]

Ground truth: [257.85, 224.48, 301.98, 321.48]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: a person who is not on the sidewalk and is carrying a bag that is not blue

Image: val2017/000000577932.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.32s

Thinking: The sentence "a person who is not on the sidewalk and is carrying a bag that is not blue" describes a person who is walking on the street and not on the sidewalk, and who is carrying a bag that is not blue. In the image, there are two people walking on the street, one with a blue bag and one with a black bag. The person with the black bag is not on the sidewalk and is walking on the street, which matches the description.
Answer: {"bbox_2d": [221, 230, 322, 475]}

Predicted bbox: [221, 230, 322, 475]

Ground truth: [231.84, 233.37, 314.82, 492.06]

Result: Correct

IoU: 0.7664

With CD

Generation Time: 14.19s

Thinking: The task is to identify a person who is not on the sidewalk and is carrying a bag that is not blue. Let's analyze the image step by step: 1. Identify the people in the image: There are two people in the foreground, one is on a bicycle and the other is walking. 2. Determine their positions: Both are on the sidewalk. 3. Check for people not on the sidewalk: There are no other people in the image who are not on the sidewalk. 4. Check the bag colors: The person on the bicycle has a blue bag, and the person walking has a black bag. Since there are no other people not on the sidewalk, this analysis cannot identify a person meeting the criteria.
Answer: {"bbox_2d": [215, 229, 318, 478]}

Predicted bbox: [215, 229, 318, 478]

Ground truth: [231.84, 233.37, 314.82, 492.06]

Result: Correct

IoU: 0.7571

Image

Dataset: refcocos_test

Caption: a motorcycle facing toward the road with a red seat

Image: val2017/000000356387.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.11s

Thinking: The sentence describes a motorcycle facing toward the road with a red seat. To locate this in the image, I need to identify the motorcycle with a red seat and ensure it is oriented towards the road. The motorcycle in the foreground, which is partially obscured, appears to be facing the road and has a red seat. This matches the description provided in the sentence.
Answer: {"bbox_2d": [144, 217, 322, 336]}

Predicted bbox: [144, 217, 322, 336]

Ground truth: [216.26, 220.98, 312.12, 308.39]

Result: Incorrect

IoU: 0.3956

With CD

Generation Time: 9.23s

Thinking: The sentence describes a motorcycle facing toward the road with a red seat. To identify this in the image, we need to locate a motorcycle with a red seat that is oriented towards the street. The motorcycle in the foreground, with its seat facing the street, matches this description. 1. Identify the motorcycles in the image. 2. Look for a motorcycle with a red seat. 3. Check if the motorcycle is facing the street.
Answer: {"bbox_2d": [141, 220, 325, 328]}

Predicted bbox: [141, 220, 325, 328]

Ground truth: [216.26, 220.98, 312.12, 308.39]

Result: Incorrect

IoU: 0.4217

Image

Dataset: refcocos_test

Caption: a car partially blocked by a black Audi sedan

Image: val2017/000000122166.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.44s

Thinking: The sentence "a car partially blocked by a black Audi sedan" seems to refer to a vehicle that is partially obscured by the black Audi sedan, which is positioned in the foreground and appears to be partially covering another car behind it. The black Audi sedan is clearly visible in the image, and the vehicle behind it is partially hidden due to the positioning of the Audi.
Answer: {"bbox_2d": [318, 295, 446, 397]}

Predicted bbox: [318, 295, 446, 397]

Ground truth: [367.19, 280.64, 453.58, 358.58]

Result: Incorrect

IoU: 0.3391

With CD

Generation Time: 12.31s

Thinking: The sentence "a car partially blocked by a black Audi sedan" suggests that there's a car partially obscured by the black Audi. The Audi is in the center of the image, and behind it, there's a white van that seems to be partially visible. The white van is positioned such that it blocks part of the view of the car behind it, which is the black Audi. 1. Identify the black Audi sedan in the center of the image. 2. Identify the white van partially blocking the view of the black Audi. 3. Confirm that the white van is partially obscuring the black Audi.
Answer: {"bbox_2d": [319, 297, 450, 399]}

Predicted bbox: [319, 297, 450, 399]

Ground truth: [367.19, 280.64, 453.58, 358.58]

Result: Incorrect

IoU: 0.3401

Image

Dataset: refcocos_test

Caption: a vehicle that has a backrest and does not have four wheels

Image: val2017/000000441586.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.79s

Thinking: The sentence "a vehicle that has a backrest and does not have four wheels" describes a vehicle that is not a typical car or bicycle but rather a custom-built or unconventional vehicle. In the image, the vehicle in question is a tricycle with large tires, which has a backrest and is not a standard four-wheeled vehicle. It fits the description of a vehicle with a backrest and without four wheels.
Answer: {"bbox_2d": [274, 176, 491, 402]}

Predicted bbox: [274, 176, 491, 402]

Ground truth: [395.66, 146.02, 426.92, 224.5]

Result: Incorrect

IoU: 0.0303

With CD

Generation Time: 10.78s

Thinking: The sentence "a vehicle that has a backrest and does not have four wheels" describes a vehicle with a backrest but only three wheels, which is not typical for standard vehicles. In the image, there is a vehicle with a backrest (the person riding the tricycle), and it has three wheels. This matches the description in the sentence. 1. Identify the vehicle in the image that has a backrest and fewer than four wheels. 2. The tricycle in the foreground fits this description.
Answer: {"bbox_2d": [277, 156, 494, 404]}

Predicted bbox: [277, 156, 494, 404]

Ground truth: [395.66, 146.02, 426.92, 224.5]

Result: Incorrect

IoU: 0.0396

Image

Dataset: refcocos_test

Caption: a boat with a red top and a white hull

Image: val2017/000000228436.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.33s

Thinking: The image shows a canal scene with several boats. The question asks for the bounding box of a boat with a red top and a white hull. Observing the image, there is a boat in the mid-ground that appears to have a white hull and a red top. The boat is positioned on the left side of the image and is partially visible.
Answer: {"bbox_2d": [102, 180, 231, 272]}

Predicted bbox: [102, 180, 231, 272]

Ground truth: [287.59, 138.45, 356.13, 167.37]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 8.95s

Thinking: The sentence "a boat with a red top and a white hull" seems to describe a boat that is visually distinguishable by its red and white color scheme. In the image, there are multiple boats, but one in particular stands out due to its red top and white hull. It's located in the background, slightly to the left of the center of the image.
Answer: {"bbox_2d": [521, 143, 644, 201]}

Predicted bbox: [521, 143, 644, 201]

Ground truth: [287.59, 138.45, 356.13, 167.37]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: a person next to a bicycle lying on the ground who is not making a phone call

Image: val2017/000000414510.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.75s

Thinking: The image contains two people near a bicycle lying on the ground. One person is sitting and appears to be making a phone call, as indicated by their posture and the phone in their hand. The other person is lying next to the bicycle, seemingly in a different position and not engaged in phone activity. The bounding box for the person not making a phone call should be around the person lying next to the bicycle.
Answer: {"bbox_2d": [104, 248, 257, 408]}

Predicted bbox: [104, 248, 257, 408]

Ground truth: [54.6, 267.4, 134.32, 388.39]

Result: Incorrect

IoU: 0.1204

With CD

Generation Time: 15.50s

Thinking: The image shows a person lying on the ground next to a bicycle, with another person sitting nearby and making a phone call. The person lying on the ground does not appear to be engaged in phone activity, as their hand is not near a phone, and their posture suggests they are resting rather than interacting with a phone. 1. Identify the person lying on the ground: This person is located on the left side of the image, lying on the ground with their body parallel to the bicycle. 2. Identify the person making a phone call: This person is on the right side of the image, sitting and holding a phone to their ear. 3. Determine the bounding box: The bounding box for the person lying on the ground should be positioned around the lower part of the image, encompassing the person lying next to the bicycle.
Answer: {"bbox_2d": [57, 250, 254, 407]}

Predicted bbox: [57, 250, 254, 407]

Ground truth: [54.6, 267.4, 134.32, 388.39]

Result: Incorrect

IoU: 0.2997

Image

Dataset: refcocos_test

Caption: a bus moving toward the camera with blue on its front

Image: val2017/000000210273.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.33s

Thinking: The task is to identify a bus moving toward the camera with blue on its front. In the image, there are multiple buses, but we need to find the one that is closest to the camera and has blue on its front. The bus closest to the camera with blue on its front is the second bus from the left in the middle row of the image.
Answer: {"bbox_2d": [369, 116, 431, 194]}

Predicted bbox: [369, 116, 431, 194]

Ground truth: [362.04, 118.05, 424.51, 194.73000000000002]

Result: Correct

IoU: 0.7793

With CD

Generation Time: 14.50s

Thinking: The task is to identify the bounding box of a bus moving toward the camera with blue on its front. In the image, there are multiple buses, but one stands out due to its position and the presence of blue on its front, which is distinct from the others. The bus is positioned centrally in the image, with a clear view of its front and sides, and it appears to be moving toward the camera. 1. Identify the buses in the image. 2. Locate the bus with blue on its front. 3. Determine the direction of the bus (towards the camera). 4. Define the bounding box for this specific bus. The bus with blue on its front is the one in the center of the image, with the blue prominently displayed on the front.
Answer: {"bbox_2d": [374, 117, 426, 190]}

Predicted bbox: [374, 117, 426, 190]

Ground truth: [362.04, 118.05, 424.51, 194.73000000000002]

Result: Correct

IoU: 0.7339

Image

Dataset: refcocos_test

Caption: a person standing at the doorway and eating something

Image: val2017/000000507037.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.41s

Thinking: The task is to identify a person standing at the doorway and eating something. In the image, there is a person wearing a black shirt and holding an object near their mouth, possibly eating. This person is standing in front of the doorway of a building, which aligns with the description in the question. The bounding box would cover this person, excluding the doorway.
Answer: {"bbox_2d": [66, 225, 137, 424]}

Predicted bbox: [66, 225, 137, 424]

Ground truth: [0, 246.23, 25.34, 383.58]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 13.01s

Thinking: The sentence "a person standing at the doorway and eating something" suggests that there is a person near a doorway engaged in the act of eating. In the image, there is a person standing near the left side, partially obscured by others, and appears to be holding or eating something. This matches the description in the sentence. 1. Identify the doorway: The left side of the image shows a doorway with people standing near it. 2. Identify the person eating: There is a person standing near the doorway, holding something that could be food. 3. Confirm the action: The person is indeed standing near the doorway and appears to be eating or holding food.
Answer: {"bbox_2d": [69, 226, 140, 422]}

Predicted bbox: [69, 226, 140, 422]

Ground truth: [0, 246.23, 25.34, 383.58]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the man wearing backpack to the left side of the red-shirt girl, not the boy

Image: val2017/000000350122.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.87s

Thinking: The sentence describes a person wearing a backpack to the left of a red-shirted girl, but does not specify a boy. Given the context of the image, we need to identify the person who fits this description. In the image, there is a person wearing a backpack near the red-shirted girl, and this person appears to be an adult, not a boy. The bounding box coordinates for this person would be the answer.
Answer: {"bbox_2d": [94, 204, 149, 375]}

Predicted bbox: [94, 204, 149, 375]

Ground truth: [96.9, 206.17, 151.79000000000002, 380.67999999999995]

Result: Correct

IoU: 0.8634

With CD

Generation Time: 15.99s

Thinking: The task is to identify the bounding box of a person wearing a backpack, positioned to the left of a red-shirted girl. Here's the breakdown of the process: 1. Identify the red-shirted girl: She is standing near the center of the image, wearing a red top and facing towards the train. 2. Identify the person to the left of the red-shirted girl: This person is wearing a backpack and appears to be standing near the left side of the image, slightly in front of the girl. 3. The bounding box for this person should be positioned to the left of the red-shirted girl and should include the person's upper body and part of their lower body. The bounding box for this person is located to the left of the red-shirted girl, and it includes the person's upper body and part of their lower body.
Answer: {"bbox_2d": [122, 205, 198, 376]}

Predicted bbox: [122, 205, 198, 376]

Ground truth: [96.9, 206.17, 151.79000000000002, 380.67999999999995]

Result: Incorrect

IoU: 0.2888

Image

Dataset: refcocos_test

Caption: the one standing above stairs, not near bike or motor

Image: val2017/000000038829.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.85s

Thinking: The sentence "the one standing above stairs, not near bike or motor" describes a person who is not directly associated with the bicycle or motorbike in the foreground but is standing at a higher level, possibly near a staircase or doorway. 1. Identify the individuals in the image. 2. Determine who is standing near stairs. 3. Exclude those who are near the bike or motorbike. 4. Identify the person who fits the description. The person in the background near the entrance of a building appears to be standing above the stairs and not near the bike or motorbike.
Answer: {"bbox_2d": [406, 126, 455, 214]}

Predicted bbox: [406, 126, 455, 214]

Ground truth: [392.03, 60.98, 418.64, 133.46]

Result: Incorrect

IoU: 0.0153

With CD

Generation Time: 13.31s

Thinking: The sentence "the one standing above stairs, not near bike or motor" refers to a person standing on the stairs in the background, separate from the two individuals on the bike and the motorbike in the foreground. The person on the stairs is positioned above the main subjects, indicating a higher vantage point. 1. Identify the main subjects: two people on a bike and a person on a motorbike. 2. Identify the person standing on the stairs: this person is distinct from the main subjects and is positioned above the stairs. 3. Ensure the person is not near the bike or motorbike: this person is clearly not in the foreground and is separate from the main subjects.
Answer: {"bbox_2d": [415, 126, 457, 210]}

Predicted bbox: [415, 126, 457, 210]

Ground truth: [392.03, 60.98, 418.64, 133.46]

Result: Incorrect

IoU: 0.0050

Image

Dataset: refcocos_test

Caption: the black motor on the front, close to the red motor, not close to the green bike

Image: val2017/000000291634.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 7.06s

Thinking: The task is to identify the bounding box of a specific motorcycle based on the description provided. The description refers to a "black motor on the front, close to the red motor, not close to the green bike." Here's the breakdown: 1. The "black motor" suggests a dark-colored motorcycle. 2. It's described as "on the front," implying it's closer to the viewer than the red motorcycle. 3. It's "close to the red motor," indicating it's next to the red motorcycle. 4. It's "not close to the green bike," meaning it's not the green bike. Given these points, the black motorcycle in the middle of the row, positioned between the red and green motorcycles, fits the description.
Answer: {"bbox_2d": [56, 225, 399, 447]}

Predicted bbox: [56, 225, 399, 447]

Ground truth: [17, 224.07, 168.41, 384.39]

Result: Incorrect

IoU: 0.2172

With CD

Generation Time: 13.17s

Thinking: The task is to identify the bounding box of the black motorbike that is positioned between the red motorbike and the green bike, and not close to the green bike. 1. Identify the red motorbike: It is located towards the left side of the image. 2. Identify the green bike: It is in the foreground, closest to the viewer. 3. Identify the black motorbike: It is positioned behind the red motorbike and in front of the green bike, but not very close to the green bike. The bounding box for this motorbike will be the one that encompasses the black motorbike in the middle of the image, not too close to the green bike.
Answer: {"bbox_2d": [39, 237, 398, 455]}

Predicted bbox: [39, 237, 398, 455]

Ground truth: [17, 224.07, 168.41, 384.39]

Result: Incorrect

IoU: 0.2285

Image

Dataset: refcocos_test

Caption: the third one from the back of the boat

Image: val2017/000000395180.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.69s

Thinking: The image shows a black and white scene with a person on a bicycle on the left, a river in the middle, and a group of people in a boat on the right. The boat is positioned horizontally in the middle-right area of the image. There are five people in the boat, and the third one from the back is the person in the middle of the boat, counting from the back.
Answer: {"bbox_2d": [466, 184, 481, 203]}

Predicted bbox: [466, 184, 481, 203]

Ground truth: [477.48, 189.92, 493.46000000000004, 203.54999999999998]

Result: Incorrect

IoU: 0.1008

With CD

Generation Time: 10.68s

Thinking: The task is to identify the bounding box of the third person from the back of the boat in the image. The boat is located on the right side of the image, and there are multiple people in it. To determine the third person, I'll count from the back of the boat: 1. The last person is at the back. 2. The second person from the back is next to the last one. 3. The third person from the back is the one in the middle.
Answer: {"bbox_2d": [484, 187, 499, 202]}

Predicted bbox: [484, 187, 499, 202]

Ground truth: [477.48, 189.92, 493.46000000000004, 203.54999999999998]

Result: Incorrect

IoU: 0.3478

Image

Dataset: refcocos_test

Caption: the motor close to the woman's red motor

Image: val2017/000000226417.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.17s

Thinking: The sentence "the motor close to the woman's red motor" is describing the motorbike that is closest to the woman riding the red motorbike. To find this bounding box, I'll follow these steps: 1. Identify the woman on the red motorbike. 2. Locate the motorbike closest to her. 3. Determine the bounding box for this motorbike. 1. The woman is on the left side of the image, riding a red motorbike. 2. The motorbike closest to her is the one in the middle of the image, which is white. 3. The bounding box for the white motorbike is the area surrounding it.
Answer: {"bbox_2d": [200, 196, 231, 263]}

Predicted bbox: [200, 196, 231, 263]

Ground truth: [194.7, 197.58, 231.32999999999998, 262.70000000000005]

Result: Correct

IoU: 0.8261

With CD

Generation Time: 11.75s

Thinking: The sentence "the motor close to the woman's red motor" suggests we're looking for a motorbike near the red motorbike being ridden by a woman. In the image, there is a red motorbike with a person in a pink hooded jacket, and there is another motorbike next to it. The question implies we should identify the motorbike closest to this red one. 1. Identify the red motorbike with the person in pink. 2. Look for the motorbike closest to this red motorbike. 3. The motorbike to the right of the red one appears to be the closest.
Answer: {"bbox_2d": [195, 193, 233, 266]}

Predicted bbox: [195, 193, 233, 266]

Ground truth: [194.7, 197.58, 231.32999999999998, 262.70000000000005]

Result: Correct

IoU: 0.8469

Image

Dataset: refcocos_test

Caption: The light near the '24 hour' sign with only three signals

Image: val2017/000000301376.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.26s

Thinking: To determine the bounding box of the traffic light near the '24 hour' sign with only three signals, we need to follow these steps: 1. Identify the '24 hour' sign on the building. 2. Locate the traffic light near this sign. 3. Observe the structure of the traffic light to confirm if it has three signals (red, yellow, green). From the image: - The '24 hour' sign is on the building. - There is a traffic light near this sign with three signals visible. The bounding box for this traffic light should be the area that encompasses the traffic light itself, including the pole and the signals.
Answer: {"bbox_2d": [265, 212, 287, 307]}

Predicted bbox: [265, 212, 287, 307]

Ground truth: [83.29, 94.92, 111.14000000000001, 152.57]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 12.11s

Thinking: The sentence describes the light near the '24 hour' sign with only three signals. To identify this, we need to locate the '24 hour' sign and then find the traffic light that is closest to it and has only three signals (indicating it's likely the one on the left side of the image, as it's the only one with three visible signals). 1. Identify the '24 hour' sign on the building. 2. Locate the traffic light near this sign. 3. Confirm it has only three signals. The traffic light near the '24 hour' sign has three signals, which matches the description in the sentence.
Answer: {"bbox_2d": [63, 3, 98, 97]}

Predicted bbox: [63, 3, 98, 97]

Ground truth: [83.29, 94.92, 111.14000000000001, 152.57]

Result: Incorrect

IoU: 0.0063

Image

Dataset: refcocos_test

Caption: the guy on the right side, red shirt, with no hat

Image: val2017/000000455624.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.47s

Thinking: The task is to identify the bounding box of the guy on the right side, wearing a red shirt and no hat. In the image, there are several people in the background, but the one who matches the description is partially obscured and not clearly visible. The bounding box coordinates for this person are not identifiable due to the image resolution and the presence of other people in the background.
Answer: {"bbox_2d": [418, 137, 450, 184]}

Predicted bbox: [418, 137, 450, 184]

Ground truth: [614.54, 143.23, 640, 206.35999999999999]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.72s

Thinking: The task is to identify the bounding box of the person on the right side, wearing a red shirt and no hat. The image shows a motorcycle racer in the center, and there are several people in the background. The person on the right side of the image, wearing a red shirt, appears to be near the edge of the frame, and there's no hat visible on that person. The bounding box for this person should be close to the edge of the image, but not overlapping with the racer.
Answer: {"bbox_2d": [423, 137, 454, 187]}

Predicted bbox: [423, 137, 454, 187]

Ground truth: [614.54, 143.23, 640, 206.35999999999999]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: red cat on the blue motor

Image: val2017/000000139099.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.78s

Thinking: The image does not contain a red cat on the blue motor. The image shows a person riding a motorbike with a dog in the back seat. There is a woman in the foreground cutting a watermelon, and a busy street with people and shops in the background. The sentence "red cat on the blue motor" does not match any part of the image.
Answer: {"bbox_2d": [220, 280, 644, 448], "label": "red cat on the blue motor"}

Predicted bbox: [220, 280, 644, 448]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 7.79s

Thinking: The sentence "red cat on the blue motor" does not appear to be referring to any specific object in the image. The image shows a person on a blue motorbike, but there is no red cat visible. The sentence seems to be a misunderstanding or a misdescription of the image content.
Answer: {"bbox_2d": [215, 284, 644, 448]}

Predicted bbox: [215, 284, 644, 448]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the girl who is not a reflection in the glass

Image: val2017/000000292456.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.59s

Thinking: The sentence "the girl who is not a reflection in the glass" seems to be referring to the woman in the image who is not reflected in the glass. The woman on the right side of the image is the one who is not a reflection because her image is not mirrored in the glass. The reflection in the glass is of a man and a woman, and the woman on the right side is not part of this reflection.
Answer: {"bbox_2d": [326, 65, 447, 339]}

Predicted bbox: [326, 65, 447, 339]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 10.12s

Thinking: The sentence "the girl who is not a reflection in the glass" implies we are looking for the girl that is not mirrored in the glass. The reflection in the glass is of a man and a woman on a scooter, and the sentence specifies the girl. Since the reflection is a mirror image, the girl in the reflection is the same as the girl not in the reflection. However, to answer the question in JSON format, we need to identify the girl who is not in the reflection.
Answer: {"bbox_2d": [315, 63, 446, 338]}

Predicted bbox: [315, 63, 446, 338]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the guy closest to the motor with a black box in the back

Image: val2017/000000534605.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.72s

Thinking: The sentence describes a specific person based on their proximity to a motorcycle with a black box in the back. From the image, we can see two motorcycles, with one having a black box in the back. The person closest to this motorcycle is the one standing to the right of it. 1. Identify the motorcycle with the black box in the back. 2. Identify the person closest to this motorcycle. 3. Compare the person to the bounding box coordinates provided in the image. The person closest to the motorcycle with the black box in the back is the one on the right.
Answer: {"bbox_2d": [348, 98, 402, 163]}

Predicted bbox: [348, 98, 402, 163]

Ground truth: [283.68, 97.14, 323.75, 216.22]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.90s

Thinking: The task is to identify the bounding box of the person closest to the motorcycle with a black box in the back. Here's the process of determining this: 1. Identify the motorcycles: There are four motorcycles visible. 2. Identify the one with the black box: The motorcycle in the back has a black box on it. 3. Determine the person closest to this motorcycle: The person standing to the right of the motorcycle with the black box is closest to it.
Answer: {"bbox_2d": [342, 99, 403, 169]}

Predicted bbox: [342, 99, 403, 169]

Ground truth: [283.68, 97.14, 323.75, 216.22]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the light with green signal on

Image: val2017/000000178982.jpg

$Image with bounding boxes$

Ground Truth Without CD With CD

Without CD

Generation Time: 3.76s

Thinking: The question seems to be asking for the bounding box of the region with the green signal, but the image only shows red lights, and there is no green signal present. The question might be referring to the green signal on the highway sign, but it's not related to the traffic lights.
Answer: {"bbox_2d": [330, 28, 532, 90]}

Predicted bbox: [330, 28, 532, 90]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 11.15s

Thinking: The question asks for the bounding box of the region that describes "the light with green signal on." However, in the image, there are no green lights visible. There are red lights and a green sign above the road, but the red lights are the only lights that are illuminated in the image. The instruction might be referring to the green sign, but since it's not a light, it's not possible to provide a bounding box for a green signal light. The bounding box coordinates for a green signal light cannot be determined from this image.
Answer: {"bbox_2d": [327, 29, 519, 93]}

Predicted bbox: [327, 29, 519, 93]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the motorcycle being leaned on by the person in the striped shirt

Image: val2017/000000574702.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 7.77s

Thinking: The sentence describes a motorcycle being leaned on by a person in a striped shirt. The person is interacting with the motorcycle, which is likely in a casual or relaxed position. The motorcycle is positioned in the foreground, and the person is standing close to it, suggesting a leaning posture. 1. Identify the person: The person is wearing a striped shirt, which is a key feature mentioned in the sentence. 2. Identify the motorcycle: The motorcycle is described as being leaned on by the person, indicating it is in a position that allows for leaning. 3. Determine the bounding box: The bounding box for the motorcycle should encompass the area where the person is leaning on it, which is likely the front or side of the motorcycle. Final answer: {"bbox_2d": [172, 284, 329, 504]"}
Answer: {"bbox_2d": [172, 284, 329, 504]"}

Predicted bbox: [172, 284, 329, 504]

Ground truth: [85.46, 215.72, 119.69, 302.77]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 11.91s

Thinking: The sentence "the motorcycle being leaned on by the person in the striped shirt" refers to the motorcycle that is in the foreground on the right side of the image, with the person leaning on it. This motorcycle is distinct due to the visible license plate and the person leaning on it, indicating it is the one in question. 1. Identify the person in the striped shirt: This is the person wearing a patterned shirt on the right side of the image. 2. Identify the motorcycle being leaned on: The motorcycle on the right side of the image, with the person leaning on it, is the one in question.
Answer: {"bbox_2d": [198, 292, 332, 504]}

Predicted bbox: [198, 292, 332, 504]

Ground truth: [85.46, 215.72, 119.69, 302.77]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the guy on the wider motor, and his clothes is orange

Image: val2017/000000246963.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.36s

Thinking: The sentence describes a specific individual: "the guy on the wider motor, and his clothes is orange." This suggests we need to identify a motorcyclist with a wider motorcycle and orange clothing. Observing the image, we see several motorcyclists, and one in the center appears to have a wider motorcycle and is wearing orange and black clothing. 1. Identify the wider motorcycle: It's the second from the left. 2. Identify the rider's clothing: The rider is wearing orange and black.
Answer: {"bbox_2d": [147, 118, 245, 242]}

Predicted bbox: [147, 118, 245, 242]

Ground truth: [167.62, 151.24, 233.54000000000002, 242.58]

Result: Incorrect

IoU: 0.4908

With CD

Generation Time: 11.09s

Thinking: The task is to identify the bounding box of the guy on the wider motorbike, and his clothes is orange. To do this, I need to locate the motorbike that is wider compared to the others and then identify the rider associated with it. 1. Identify the motorbikes: There are five motorbikes in the image. 2. Compare their sizes: The third motorbike from the left appears to be the widest. 3. Identify the rider: The rider on the third motorbike is wearing an orange jacket.
Answer: {"bbox_2d": [219, 107, 280, 219]}

Predicted bbox: [219, 107, 280, 219]

Ground truth: [167.62, 151.24, 233.54000000000002, 242.58]

Result: Incorrect

IoU: 0.0830

Image

Dataset: refcocos_test

Caption: the kite that flies the third highest in the middle

Image: val2017/000000345027.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.16s

Thinking: The question asks for the bounding box of the kite that flies the third highest in the middle. This requires identifying the kites in the image and counting their order of altitude from the ground. The image shows a clear sky with multiple kites at different heights, and the third kite from the ground is located in the middle of the image.
Answer: {"bbox_2d": [311, 178, 330, 185]}

Predicted bbox: [311, 178, 330, 185]

Ground truth: [310.6, 183.89, 326.46000000000004, 189.20999999999998]

Result: Incorrect

IoU: 0.0857

With CD

Generation Time: 12.66s

Thinking: The task is to identify the bounding box of the kite that flies the third highest in the middle. To do this, I need to analyze the image and locate the kites in the sky. The kites are scattered and not in a strict order, but I can identify the one that appears to be in the middle and third highest position. 1. Scan the sky for kites. 2. Identify the kites and their positions relative to each other. 3. Determine which kite is in the middle and third highest. The kite in the middle and third highest is the one located towards the center of the sky, slightly above the middle.
Answer: {"bbox_2d": [312, 178, 332, 186]}

Predicted bbox: [312, 178, 332, 186]

Ground truth: [310.6, 183.89, 326.46000000000004, 189.20999999999998]

Result: Incorrect

IoU: 0.1427

Image

Dataset: refcocos_test

Caption: the book with cover of same color as the page

Image: val2017/000000200839.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.01s

Thinking: The sentence "the book with cover of same color as the page" suggests we need to identify a book in the image where the cover and the page share the same color. In this image, there are multiple books on the side of the library van, but none appear to have a cover that matches the color of the page. Therefore, the sentence might be referring to a specific book that is not visible or not accurately described in the image.
Answer: {"bbox_2d": [358, 196, 412, 261]}

Predicted bbox: [358, 196, 412, 261]

Ground truth: [143.97, 240.83, 176.81, 268.65000000000003]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 11.18s

Thinking: The image contains a library truck with various book illustrations on its side. The question asks about a book with a cover of the same color as its page, which is a specific type of book illustration. In the image, there's a book with a green cover and a green page, which matches the description in the question. 1. Identify the book illustrations on the truck. 2. Look for a book with a cover and page of the same color. 3. The book with a green cover and page matches the description.
Answer: {"bbox_2d": [352, 192, 408, 259]}

Predicted bbox: [352, 192, 408, 259]

Ground truth: [143.97, 240.83, 176.81, 268.65000000000003]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the person on the right side of the row with no one wearing hat but one wearing hairband

Image: val2017/000000057672.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.87s

Thinking: The task is to identify the person on the right side of the row with no one wearing a hat but one wearing a hairband. The rowers are spread out in a single line, and their positions can be numbered sequentially. The person on the right side of the row is the last person, and we need to check their hat and hairband status. 1. Identify the last person in the row. 2. Check if this person is wearing a hat. 3. Check if this person is wearing a hairband. 4. If neither condition is met, the person does not meet the criteria. The last person in the row does not wear a hat, but they do wear a hairband.
Answer: {"bbox_2d": [553, 196, 596, 267]}

Predicted bbox: [553, 196, 596, 267]

Ground truth: [417.03, 191.5, 484.16999999999996, 289.63]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 12.05s

Thinking: The task is to identify the bounding box of a specific person in the image. The sentence describes the person on the right side of the row, who is not wearing a hat but is wearing a hairband. To locate this person, we need to identify the rightmost person in the row and check their headgear. 1. Identify the rightmost person in the row. 2. Check if this person is wearing a hairband. 3. If so, identify the bounding box of this person. The rightmost person in the row is wearing a hairband, not a hat.
Answer: {"bbox_2d": [556, 197, 609, 264]}

Predicted bbox: [556, 197, 609, 264]

Ground truth: [417.03, 191.5, 484.16999999999996, 289.63]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the guy with brown jeans, black hoodie and a suitcase walking in the street

Image: val2017/000000138639.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.87s

Thinking: The task is to identify the bounding box of a specific person based on the given description. The description mentions a person with brown jeans, a black hoodie, and is carrying a suitcase while walking on the street. From the image, the person in the foreground on the right side of the street matches this description. The bounding box coordinates for this person can be determined by analyzing the position and features of the individual in the image.
Answer: {"bbox_2d": [384, 318, 451, 460]}

Predicted bbox: [384, 318, 451, 460]

Ground truth: None

Result: Unable to determine

With CD

Generation Time: 14.06s

Thinking: The task is to identify the bounding box of the person described in the sentence. The sentence describes a person with brown jeans, a black hoodie, and a suitcase walking in the street. To locate this person, I'll consider the following: 1. The person is described as walking, so they should be on the ground. 2. The person is wearing a black hoodie and brown jeans. 3. The person has a suitcase, which might be a distinctive feature. 4. The person is walking, not standing still. 5. The person is on the right side of the image, as indicated by the sentence. Based on these points, I'll look for a person with these characteristics near the right side of the image.
Answer: {"bbox_2d": [387, 321, 450, 457]}

Predicted bbox: [387, 321, 450, 457]

Ground truth: None

Result: Unable to determine

Image

Dataset: refcocos_test

Caption: the man between the yellow-coat guy and the blue-shirt woman, hair not yellow

Image: val2017/000000078748.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.96s

Thinking: The task is to identify the bounding box of the man between the yellow-coat guy and the blue-shirt woman. Here's the step-by-step reasoning: 1. Identify the yellow-coat guy: He's wearing a yellow jacket and is standing near the center of the image. 2. Identify the blue-shirt woman: She's wearing a blue sleeveless top and is standing to the left of the yellow-coat guy. 3. The man in question is positioned between these two individuals. He appears to be wearing a black jacket and is located near the center-left of the image.
Answer: {"bbox_2d": [252, 17, 303, 110]}

Predicted bbox: [252, 17, 303, 110]

Ground truth: [244.74, 13.38, 289.17, 111.38]

Result: Correct

IoU: 0.6129

With CD

Generation Time: 14.18s

Thinking: The task is to identify the bounding box of the man between the yellow-coat guy and the blue-shirt woman, but first, let's break down the elements in the image: 1. There's a yellow-coat guy. 2. There's a blue-shirt woman. 3. There's a man between them. 4. The yellow-coat guy is to the right of the man. 5. The blue-shirt woman is to the left of the man. 6. The man in question is the one in the middle, directly between the yellow-coat guy and the blue-shirt woman. The sentence describes the man between the yellow-coat guy and the blue-shirt woman, but the question asks for the bounding box of that man.
Answer: {"bbox_2d": [248, 17, 301, 109]}

Predicted bbox: [248, 17, 301, 109]

Ground truth: [244.74, 13.38, 289.17, 111.38]

Result: Correct

IoU: 0.6959

Image

Dataset: refcocos_test

Caption: the white car next to the red car, in front of the car that's tilted to the side

Image: val2017/000000111086.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.62s

Thinking: The task is to identify the white car next to the red car, in front of the car that's tilted to the side. Let's break down the image: 1. Identify the red car: It is the car tilted to the side, with a prominent red color. 2. Identify the car next to the red car: This is the white car directly adjacent to the red car. 3. Verify the position: The white car is positioned in front of the red car. The bounding box for this white car should be drawn around the area that encompasses the white car.
Answer: {"bbox_2d": [163, 227, 296, 284]}

Predicted bbox: [163, 227, 296, 284]

Ground truth: [126.86, 201, 156.21, 232.27]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 13.95s

Thinking: The task is to identify the bounding box of the white car next to the red car, in front of the car that's tilted to the side. Here's the step-by-step process: 1. Identify the red car: The red car is on the right side of the image, tilted slightly to the side. 2. Identify the car tilted to the side: This is the red car mentioned in step 1. 3. Identify the white car: The white car is in front of the red car, and to the left of the car tilted to the side. 4. Determine the bounding box: The bounding box for the white car is the area around the white vehicle that is directly in front of the red car and to the left of the tilted car.
Answer: {"bbox_2d": [166, 227, 295, 285]}

Predicted bbox: [166, 227, 295, 285]

Ground truth: [126.86, 201, 156.21, 232.27]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the man with glasses, not in the car nor driving the motor

Image: val2017/000000461751.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.58s

Thinking: The instruction asks to identify the bounding box of the man with glasses, not in the car nor driving the motor. In the image, there is a person wearing glasses in the foreground, but he is not inside the car or driving the motorbike. This person appears to be standing or walking beside the motorcycle. The bounding box for the man with glasses, not in the car nor driving the motor, is likely to be the one in the foreground, not inside the car and not directly driving the motorcycle.
Answer: {"bbox_2d": [501, 159, 644, 438]}

Predicted bbox: [501, 159, 644, 438]

Ground truth: [464.34, 120.29, 640, 569]

Result: Incorrect

IoU: 0.4851

With CD

Generation Time: 9.75s

Thinking: The image shows two main subjects: a person driving a motorcycle and another person, partially obscured, on the right side of the image. The person driving the motorcycle is clearly visible and is wearing a helmet, indicating they are the driver. The person on the right is not in the car and is not driving the motorcycle. This person is wearing glasses and is partially visible behind the motorcycle and the car window.
Answer: {"bbox_2d": [498, 130, 644, 446]}

Predicted bbox: [498, 130, 644, 446]

Ground truth: [464.34, 120.29, 640, 569]

Result: Correct

IoU: 0.5603

Image

Dataset: refcocos_test

Caption: yellow taxi, not on the slope, close to the big bus

Image: val2017/000000336232.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.23s

Thinking: The sentence describes a yellow taxi that is not on the slope, close to the big bus. In the image, there are multiple yellow taxis, but the one in the center, slightly in the foreground and not on the slope, seems to fit the description. It's positioned close to the big bus, which is also visible in the image.
Answer: {"bbox_2d": [413, 214, 644, 415]}

Predicted bbox: [413, 214, 644, 415]

Ground truth: [412.46, 107.39, 471.75, 156.45]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.75s

Thinking: The sentence describes a yellow taxi that is not on the slope and is close to the big bus. To identify this, we need to locate the yellow taxi in the image that is not positioned on the slope and is near the bus. The yellow taxi in the foreground, which is not on the slope and is close to the bus, fits this description. 1. Identify the yellow taxi in the foreground. 2. Confirm it is not on the slope. 3. Confirm it is close to the bus.
Answer: {"bbox_2d": [413, 202, 644, 415]}

Predicted bbox: [413, 202, 644, 415]

Ground truth: [412.46, 107.39, 471.75, 156.45]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the man with shirt hair, sitting behind the long-hair guy

Image: val2017/000000248334.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 6.03s

Thinking: The task is to identify the bounding box of the man with shirt hair, sitting behind the long-hair guy. To achieve this, I need to: 1. Identify the "long-hair guy" and the "man with shirt hair." 2. Determine the relative positions of these individuals. 3. Draw a bounding box around the correct person. The "long-hair guy" appears to be the person wearing a yellow shirt, and the "man with shirt hair" is the person sitting behind him, wearing a dark shirt. Based on the image, the bounding box should be drawn around the person in the dark shirt.
Answer: {"bbox_2d": [427, 177, 456, 216]}

Predicted bbox: [427, 177, 456, 216]

Ground truth: [469.42, 186.72, 487.43, 221.01999999999998]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 11.90s

Thinking: The sentence "the man with shirt hair, sitting behind the long-hair guy" suggests a specific individual is being referred to in the context of a group of people on the boat. To locate this person, I need to identify the group and determine who is positioned behind the person with long hair. 1. Identify the group of people on the boat. 2. Locate the person with long hair. 3. Identify the person sitting directly behind the person with long hair. The person with long hair appears to be on the right side of the boat, and there is a man with short hair sitting directly behind him.
Answer: {"bbox_2d": [334, 173, 395, 213]}

Predicted bbox: [334, 173, 395, 213]

Ground truth: [469.42, 186.72, 487.43, 221.01999999999998]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the one not inside the bus, but close to the door

Image: val2017/000000445834.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.29s

Thinking: The sentence "the one not inside the bus, but close to the door" refers to a person standing near the open door of the bus, but not inside. In the image, there are four individuals wearing blue uniforms. The one closest to the door but not inside is the one standing at the back, slightly to the right of the open door.
Answer: {"bbox_2d": [428, 179, 519, 407]}

Predicted bbox: [428, 179, 519, 407]

Ground truth: [424.1, 180.42, 517.0500000000001, 415.7]

Result: Correct

IoU: 0.8991

With CD

Generation Time: 10.38s

Thinking: The task is to identify the bounding box of the person who is not inside the bus but close to the door. Here's the reasoning: 1. The person inside the bus is not relevant to this task. 2. The two individuals near the door are the focus. 3. The person on the right, standing next to the open door, is closer to the door than the other person. 4. This person is wearing a uniform and appears to be observing the situation outside.
Answer: {"bbox_2d": [427, 180, 516, 407]}

Predicted bbox: [427, 180, 516, 407]

Ground truth: [424.1, 180.42, 517.0500000000001, 415.7]

Result: Correct

IoU: 0.9205

Image

Dataset: refcocos_test

Caption: the one with dark color cloth, not riding bike

Image: val2017/000000472623.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.65s

Thinking: The sentence "the one with dark color cloth, not riding bike" refers to a person standing and wearing dark-colored clothing, not engaging in any activity related to the bike. Observing the image, there are two people standing near the edge of the rocky area, and one of them appears to be wearing darker clothing compared to the other. The person riding the bike is clearly distinct from the standing individuals.
Answer: {"bbox_2d": [123, 243, 152, 305]}

Predicted bbox: [123, 243, 152, 305]

Ground truth: [125.81, 239.86, 152.76, 305.90000000000003]

Result: Correct

IoU: 0.8310

With CD

Generation Time: 11.52s

Thinking: The task is to identify the bounding box of the person with dark-colored clothing who is not riding the bike. In the image, there are two people standing on the rocks, and one of them is wearing darker clothing. The person on the left side of the image appears to be wearing darker clothing and is not riding the bike, as they are standing and looking at the sea. 1. Identify the person on the left side of the image. 2. Confirm that this person is not riding the bike. 3. Identify the bounding box coordinates for this person.
Answer: {"bbox_2d": [123, 241, 153, 304]}

Predicted bbox: [123, 241, 153, 304]

Ground truth: [125.81, 239.86, 152.76, 305.90000000000003]

Result: Correct

IoU: 0.8610

Image

Dataset: refcocos_test

Caption: the red-shirt person, with no hat on

Image: val2017/000000244833.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.33s

Thinking: The sentence "the red-shirt person, with no hat on" likely refers to a person wearing a red shirt and no hat. In the image, there is a person in the background wearing a red shirt and a black hat, but no one with a red shirt and no hat is visible. Therefore, the bounding box for the described person is not applicable in this image.
Answer: {"bbox_2d": [187, 9, 275, 70]}

Predicted bbox: [187, 9, 275, 70]

Ground truth: [547.17, 12.75, 613.73, 119.36]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.51s

Thinking: The image shows a row of motorcycles with their front parts prominently displayed. There are people in the background, but their exact activities are unclear. To identify the "red-shirt person, with no hat on," we need to locate someone wearing a red shirt and not wearing a hat. The red shirt and the absence of a hat can be identified visually, but the person might be obscured or partially visible. The bounding box coordinates need to be specific to the red-shirt person, excluding any other overlapping elements.
Answer: {"bbox_2d": [193, 10, 272, 68]}

Predicted bbox: [193, 10, 272, 68]

Ground truth: [547.17, 12.75, 613.73, 119.36]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the bag carried by the person with a purple umbrella and pulling a small suitcase

Image: val2017/000000191845.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.81s

Thinking: The task is to identify the bounding box of the bag carried by the person with a purple umbrella and pulling a small suitcase. The person with the purple umbrella is located towards the right side of the image, and the suitcase is being pulled by the person near the bottom right corner of the image. The bag in question is likely the one being held by the person with the purple umbrella, which is situated near the top right of the image.
Answer: {"bbox_2d": [411, 244, 471, 287]}

Predicted bbox: [411, 244, 471, 287]

Ground truth: [436.05, 217.51, 466.85, 254.57999999999998]

Result: Incorrect

IoU: 0.0960

With CD

Generation Time: 14.38s

Thinking: The sentence describes a bag carried by a person with a purple umbrella and pulling a small suitcase. To identify the bounding box, we need to locate the person with the purple umbrella and then find the bag near them, which is presumably the one they are carrying. 1. Identify the person with the purple umbrella: The person with the purple umbrella is located in the center-right area of the image. 2. Locate the bag: The bag is near the person with the purple umbrella and appears to be on their side, likely attached to their body or held in their hand. Given the context, the bag is likely attached to the person's side or held in their hand, but it is not explicitly clear from the image alone without further details on the image's resolution or clarity.
Answer: {"bbox_2d": [456, 306, 543, 364]}

Predicted bbox: [456, 306, 543, 364]

Ground truth: [436.05, 217.51, 466.85, 254.57999999999998]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the guy on the second row, not near the ones with umbrella

Image: val2017/000000267537.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.44s

Thinking: The sentence "the guy on the second row, not near the ones with umbrella" describes a person who is positioned in the second row of the image but is not directly next to the people holding umbrellas. This person is likely in the middle or slightly to the right of the group, as the group with the umbrellas appears to be on the left side of the image.
Answer: {"bbox_2d": [74, 0, 186, 172]}

Predicted bbox: [74, 0, 186, 172]

Ground truth: [498.75, 0.28, 635.88, 234.72]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 10.08s

Thinking: The task is to identify the bounding box of the person on the second row, not near the ones with umbrellas. Here's the reasoning: 1. The image has multiple people, and the focus is on the ones with umbrellas. 2. The person on the second row, not near the ones with umbrellas, is the one to the left of the person holding the umbrella closest to the camera. 3. This person is partially obscured but still identifiable.
Answer: {"bbox_2d": [73, 0, 187, 173]}

Predicted bbox: [73, 0, 187, 173]

Ground truth: [498.75, 0.28, 635.88, 234.72]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the girl next to the man wearing backpack pointing somewhere, on the stairs

Image: val2017/000000370486.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.82s

Thinking: The instruction asks for the bounding box of "the girl next to the man wearing backpack pointing somewhere, on the stairs." In the image, there is a man with a backpack, but no girl pointing somewhere on the stairs is visible. The person pointing is in the foreground, and there is no girl next to the man with the backpack on the stairs. Thus, this sentence might be referring to an element not present in the image.
Answer: {"bbox_2d": [34, 147, 101, 473]}

Predicted bbox: [34, 147, 101, 473]

Ground truth: [41.32, 53.59, 76.08, 113.12]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 8.38s

Thinking: The question asks for the bounding box of a specific girl on the stairs, but the image does not show a clear view of the girl in question. Instead, the image shows a person with a colorful umbrella in the foreground, and there are people in the background, but the girl on the stairs is not clearly visible or distinguishable from the others.
Answer: {"bbox_2d": [37, 147, 94, 482]}

Predicted bbox: [37, 147, 94, 482]

Ground truth: [41.32, 53.59, 76.08, 113.12]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the chair only able to be seen through the middle window, on the left

Image: val2017/000000333745.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 4.65s

Thinking: The question asks for the bounding box of the chair that is only visible through the middle window, on the left side of the image. This chair is partially obscured by the woman holding the umbrella, and its position is identifiable by its location in the middle of the bus, to the left. The chair is also visible through the window, but it is not directly in the center of the bus's side window.
Answer: {"bbox_2d": [138, 35, 250, 117]}

Predicted bbox: [138, 35, 250, 117]

Ground truth: [150.39, 33.71, 206.79, 95.23]

Result: Incorrect

IoU: 0.3670

With CD

Generation Time: 10.24s

Thinking: The sentence describes a chair only visible through the middle window of a bus, on the left side. To locate this chair, I need to focus on the window area of the bus and identify the chair that is not fully visible but can be seen through the middle window. 1. Identify the middle window on the bus. 2. Look through this window to see what is partially visible. 3. The chair is on the left side of this window, as the sentence specifies.
Answer: {"bbox_2d": [141, 33, 250, 115]}

Predicted bbox: [141, 33, 250, 115]

Ground truth: [150.39, 33.71, 206.79, 95.23]

Result: Incorrect

IoU: 0.3882

Image

Dataset: refcocos_test

Caption: the person on the right side from the single man's perspective, not holding beer

Image: val2017/000000074058.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.40s

Thinking: The task is to identify the bounding box of the person on the right side from the single man's perspective, not holding a beer. In the image, the single man is seated on the left, and there is another person visible on the right side of the frame. The person on the right appears to be sitting at a separate table and is not holding a beer. The bounding box coordinates for this person are likely to be on the right side of the image, but not directly adjacent to the single man.
Answer: {"bbox_2d": [125, 167, 220, 294]}

Predicted bbox: [125, 167, 220, 294]

Ground truth: [27.67, 158.53, 102.07000000000001, 334.65]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 14.73s

Thinking: The sentence "the person on the right side from the single man's perspective, not holding beer" describes a person who is positioned on the right side of the single man in the image, but we need to identify this person accurately. The single man is on the left, and the person on the right side from his perspective would be the one facing him. The person on the right side, as viewed from the single man's perspective, is seated at the table with an umbrella. This person appears to be holding a drink, likely beer, which is not consistent with the instruction to identify the person "not holding beer." Therefore, the correct bounding box for the person described in the sentence would be the one on the right side of the single man, as seen from his perspective.
Answer: {"bbox_2d": [127, 167, 217, 294]}

Predicted bbox: [127, 167, 217, 294]

Ground truth: [27.67, 158.53, 102.07000000000001, 334.65]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the bed no one sitting on, and not the upper bed

Image: val2017/000000393569.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.84s

Thinking: The image shows a room with a bed, a mirror, and a toilet. The bed is divided into two sections: one section with someone sitting on it, and the other section that is not occupied by anyone. The person sitting on the bed is partially visible through the mirror.
Answer: {"bbox_2d": [353, 222, 589, 453]}

Predicted bbox: [353, 222, 589, 453]

Ground truth: [452.97, 169.19, 592.4300000000001, 322.7]

Result: Incorrect

IoU: 0.2201

With CD

Generation Time: 10.04s

Thinking: The sentence "the bed no one sitting on, and not the upper bed" suggests we are looking for a bed that is not being used by anyone, specifically not the upper bed in the bunk bed setup. The upper bed is the one that is occupied by the person with the laptop. The bed that is not being used and not the upper bed is the lower bed in the bunk bed, which is the bed the person is sitting on.
Answer: {"bbox_2d": [365, 294, 585, 452]}

Predicted bbox: [365, 294, 585, 452]

Ground truth: [452.97, 169.19, 592.4300000000001, 322.7]

Result: Incorrect

IoU: 0.0723

Image

Dataset: refcocos_test

Caption: the cup facing right, not the rightmost one

Image: val2017/000000292060.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.74s

Thinking: The task is to identify the bounding box of the cup facing right, excluding the rightmost one. Here's the process: 1. Identify the cups on the wall. There are four cups in total. 2. Determine which cup is facing right. The one furthest to the right is clearly facing right. 3. Exclude the rightmost cup and identify the next one in line. The cup second from the right is facing right. 4. The bounding box of the cup facing right, excluding the rightmost one, is the second cup from the right.
Answer: {"bbox_2d": [265, 274, 293, 304]}

Predicted bbox: [265, 274, 293, 304]

Ground truth: [271.28, 271.82, 296.09, 298.78999999999996]

Result: Correct

IoU: 0.5547

With CD

Generation Time: 11.17s

Thinking: The task is to identify the bounding box of a cup facing right, excluding the rightmost one. The image contains multiple cups hanging on the wall, and I need to determine which one is not the rightmost and faces right. 1. Identify the cups: There are four cups in total, each facing different directions. 2. Determine the rightmost cup: The cup on the far right is the rightmost one. 3. Identify the cup facing right but not the rightmost: The cup second from the right is facing right.
Answer: {"bbox_2d": [267, 273, 290, 302]}

Predicted bbox: [267, 273, 290, 302]

Ground truth: [271.28, 271.82, 296.09, 298.78999999999996]

Result: Correct

IoU: 0.5658

Image

Dataset: refcocos_test

Caption: the white cup, beside the sink

Image: val2017/000000437898.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 3.87s

Thinking: The sentence "the white cup, beside the sink" refers to a cup located near the sink area. In the image, there is a white cup visible on the counter to the right of the sink. The bounding box for this object is likely to be around the area of the cup on the counter.
Answer: {"bbox_2d": [68, 224, 83, 243]}

Predicted bbox: [68, 224, 83, 243]

Ground truth: [65.61, 228.82, 82.41, 249.57999999999998]

Result: Incorrect

IoU: 0.4758

With CD

Generation Time: 9.16s

Thinking: The sentence "the white cup, beside the sink" describes an object that is likely located near the sink, which is a common placement for cups in a kitchen. The sink is visible on the left side of the image, and there is indeed a white cup placed on the counter beside it. This cup is positioned near the edge of the counter and the sink, which matches the description in the sentence.
Answer: {"bbox_2d": [67, 224, 85, 242]}

Predicted bbox: [67, 224, 85, 242]

Ground truth: [65.61, 228.82, 82.41, 249.57999999999998]

Result: Incorrect

IoU: 0.4324

Image

Dataset: refcocos_test

Caption: the green cup on top of an array of glasses, not upright

Image: val2017/000000052996.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.61s

Thinking: The sentence "the green cup on top of an array of glasses, not upright" describes a green cup placed on top of a collection of glasses, but the cup itself is not standing upright. This implies the cup is lying on its side or resting on the glasses, not standing. To locate this in the image, we need to find a green cup that is not upright and is resting on a collection of glasses. The glasses are likely part of a set or array, and the green cup should be in close proximity to these glasses.
Answer: {"bbox_2d": [119, 247, 173, 286]}

Predicted bbox: [119, 247, 173, 286]

Ground truth: [118.01, 269.13, 151.59, 294.07]

Result: Incorrect

IoU: 0.2297

With CD

Generation Time: 14.10s

Thinking: The sentence describes a green cup on top of an array of glasses, not upright. To find the bounding box for this description, we need to locate the green cup and ensure it's not upright. The green cup is typically small and can be found on a surface among other items. The array of glasses might be a cluster of transparent objects, possibly cups or glasses, around the green cup. 1. Identify the green cup: It's likely near the edge of the image, possibly on a surface with other items. 2. Identify the array of glasses: These are likely transparent objects clustered around the green cup. 3. Ensure the green cup is not upright: This means it's lying flat or on its side, not standing upright.
Answer: {"bbox_2d": [118, 248, 174, 288]}

Predicted bbox: [118, 248, 174, 288]

Ground truth: [118.01, 269.13, 151.59, 294.07]

Result: Incorrect

IoU: 0.2593

Image

Dataset: refcocos_test

Caption: the knife beside the pineapple, third from the left

Image: val2017/000000078266.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 7.03s

Thinking: The task is to identify the bounding box of the region described as "the knife beside the pineapple, third from the left." The sentence suggests we are looking for a specific knife in a particular location, relative to a pineapple. The pineapple is not explicitly visible in the image, but we can infer its location based on the context and the presence of other knives. 1. The sentence mentions a specific position (third from the left), which implies there are other knives in the image. 2. The knife beside the pineapple is likely the one that is most prominent or the one that stands out in the context of the pineapple's location. 3. The knife in the third position from the left aligns with the description of being beside the pineapple.
Answer: {"bbox_2d": [262, 139, 271, 176]}

Predicted bbox: [262, 139, 271, 176]

Ground truth: [284.1, 200.63, 290.89000000000004, 209.12]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 13.93s

Thinking: The task is to identify the bounding box of the knife beside the pineapple, third from the left. The sentence describes a specific object (the knife) and its position (third from the left). The presence of the pineapple is a detail that helps locate the knife. The knife's location is likely near the pineapple, and the order "third from the left" helps in identifying the specific knife in the context of multiple knives. 1. Identify the pineapple: It's the small green plant on the counter. 2. Identify the knives: There are multiple knives on the wall, but we need the one third from the left. 3. Determine the bounding box: The knife third from the left is the one next to the pineapple.
Answer: {"bbox_2d": [254, 142, 260, 178]}

Predicted bbox: [254, 142, 260, 178]

Ground truth: [284.1, 200.63, 290.89000000000004, 209.12]

Result: Incorrect

IoU: 0.0000

Image

Dataset: refcocos_test

Caption: the bowl on the same cabinet shelf as the small yellow object

Image: val2017/000000156278.jpg

Ground Truth Without CD With CD

Without CD

Generation Time: 5.51s

Thinking: The sentence mentions "the bowl on the same cabinet shelf as the small yellow object." The small yellow object is likely a yellow container or object, and it is on a shelf below the cabinet. The bowl is presumably next to this yellow object on the same shelf. 1. Identify the small yellow object: It's located on the second shelf from the bottom, to the right of a yellow object. 2. Identify the bowl: The bowl is next to the small yellow object on the same shelf, on the left side.
Answer: {"bbox_2d": [287, 346, 339, 387]}

Predicted bbox: [287, 346, 339, 387]

Ground truth: [278.52, 305.12, 336.25, 333.28000000000003]

Result: Incorrect

IoU: 0.0000

With CD

Generation Time: 9.47s

Thinking: The task is to identify the bounding box of the bowl on the same cabinet shelf as the small yellow object. The yellow object is located on a lower shelf, and the bowl should be on the same level, directly below it. 1. Identify the small yellow object on the shelf. 2. Locate the bowl on the same shelf level as the yellow object. 3. Determine the bounding box coordinates of the bowl.
Answer: {"bbox_2d": [283, 346, 337, 389]}

Predicted bbox: [283, 346, 337, 389]

Ground truth: [278.52, 305.12, 336.25, 333.28000000000003]

Result: Incorrect

IoU: 0.0000